初中英语动词不定式用法梳理及练习题
人教版中考英语动词不定式顶级综合用法练习题20题含答案解析
人教版中考英语动词不定式顶级综合用法练习题20题含答案解析1. My mother wants me ____ the piano every day.A. to playB. playC. playingD. plays答案：A。
解析：本题考查动词不定式作宾补的用法。
want sb. to do sth.是固定搭配，意思是想要某人做某事，这里的to play the piano是作me的宾补，所以选A。
B选项play是动词原形，不能直接用在want后面；C选项playing是现在分词形式，不符合want的用法；D选项plays是第三人称单数形式，也不符合此处的语法要求。
2. It's important ____ us to learn English well.A. ofB. forC. withD. to答案：B。
解析：本题考查动词不定式的逻辑主语。
It is + 形容词+ for sb. to do sth.是常见句型，这里的for表示对于某人来说做某事是怎样的，句意为对于我们来说学好英语是重要的，所以选B。
A选项of用于It is + 形容词+ of sb. to do sth.句型，这里的形容词是用来描述人的品质等，如kind，nice等；C选项with 没有这种用法；D选项to不能用在此处。
3. The teacher made the students ____ their homework carefully.A. to doB. doC. doingD. did答案：B。
解析：本题考查动词不定式作宾补的用法。
make sb. do sth.是固定用法，意思是使某人做某事，这里省略了to的不定式do their homework作the students的宾补，所以选B。
A选项to do不符合make的用法；C选项doing是现在分词形式；D选项did是过去式，都不能用在此处。
初中阶段不定式总结及习题及答案
unit 1-3语法-不定式 to do1．不定式的根本形式与构造动词不定式指通常由to加上动词原形 (如to write) 所构成的一种动词形式，但在有些情况下to可以省略。
所有的主动词，不管是及物动词还是不及物动词，都有不定式形式。
没有不定式形式。
动词不定式在语法功能上可作主语、宾语、表语、定语和状语。
2．不定式的用法1)不定式构造作主语1.Te get contact with his family in Taiwan made him e*tremely happy since they separated more than 40 years ago．2.To finish that task in such a short time is really a challenge．在上述情况下，如果不定式较长，显得头重脚轻，则可由代词让作形式主语(形式主语it不可由that或this等其他代词代替)，而将不定式放到后面。
如：1.It made him e*tremely happy to get contact with his family in Taiwan since they separated more than 40 years ago．2.John admitted that it is always difficult for him to be on time．不定式构造所表示的动作是谁做的，即不定式的逻辑主语，通常可以通过for sb. to do sth. 构造表达：如：1.It is quite important for us to read good books during a general review．2. It is not difficult fot those talented students to pass the e*am. 在*些形容词(如careless，clever，considerate，foolish，good，impolite，kind， naughty，nice，silly，stupid等)作表语时，不定式后可以加of来引导出其逻辑主语：1.It is very kind of you to tell me the truth．2.It is stupid of him to do such a silly thing．2)不定式作宾语不定式作宾语有两种：一种是及物动词后直接跟带to的不定式，另一种是"及物动词+疑问词+带to的不定式。
中考英语动词不定式顶级综合用法练习题20题含答案解析
中考英语动词不定式顶级综合用法练习题20题含答案解析1.My mother often tells me ____ hard.A.studyB.studyingC.to studyD.studied答案解析：C。
tell sb to do sth 是固定用法，表示“告诉某人做某事”，所以选to study。
A 选项study 缺少to；B 选项studying 是动名词形式，不符合此搭配；D 选项studied 是过去式，也不对。
2.I want ____ a doctor when I grow up.A.beB.to beC.beingD.been答案解析：B。
want to do sth 是固定用法，表示“想要做某事”，所以选to be。
A 选项be 缺少to；C 选项being 是动名词形式，不符合此搭配；D 选项been 是过去分词，也不对。
3.The teacher asked us ____ carefully in class.A.listenB.listeningC.to listenD.listened答案解析：C。
ask sb to do sth 是固定用法，表示“要求某人做某事”，所以选to listen。
A 选项listen 缺少to；B 选项listening 是动名词形式，不符合此搭配；D 选项listened 是过去式，也不对。
4.My father promised ____ me a new bike.A.buyB.to buyC.buyingD.bought答案解析：B。
promise to do sth 是固定用法，表示“承诺做某事”，所以选to buy。
A 选项buy 缺少to；C 选项buying 是动名词形式，不符合此搭配；D 选项bought 是过去式，也不对。
5.It's important for us ____ English well.A.learnB.learningC.to learnD.learned答案解析：C。
中考英语动词不定式顶级综合用法练习题20题(答案解析)
中考英语动词不定式顶级综合用法练习题20题(答案解析)1. It's important _______ us to learn English well.A. forB. ofC. toD. with答案：A答案解析：本题考查动词不定式作主语时的固定句型It's + adj. + for sb. to do sth.，此句型中形容词描述事物的特征，“for sb.”表示不定式动作的执行者。
“of sb.”用于It's + adj. + of sb. to do sth.句型，形容词描述人的品质特征。
选项C和D不符合此句型结构，所以答案为A。
2. My dream is _______ a famous singer like Taylor Swift.A. becomeB. to becomeC. becomingD. became答案：B答案解析：本题考查动词不定式作表语。
在系动词be后面，用动词不定式来表示具体的动作或将来的动作，这里“to become”表示我的梦想是将来成为像泰勒·斯威夫特那样著名的歌手。
选项A是动词原形，不能直接作表语；选项C是动名词形式，不符合此处用法；选项D是过去式，也不能作表语，所以答案为B。
3. She doesn't know _______ next.A. what to doB. how to doC. what can she doD. how can she do答案：A答案解析：本题考查“疑问词+ 动词不定式”结构作宾语。
“what to do”表示做什么，“what”作do的宾语。
选项B中“how to do”缺少宾语，应是“how to do it”；选项C和D是疑问句语序，在宾语从句中要用陈述句语序，所以答案为A。
4. The best way _______ healthy is to do exercise every day.A. keepB. to keepC. keepingD. kept答案：B答案解析：本题考查动词不定式作定语。
动词不定式归纳(含练习及答案)
动词不定式归纳定义：不定式的to和介词to需要被区分开，不定式的to后接动词原形，介词to后接名词、代词或动名词。
不定式作动词宾语He decided to invite all of his classmates to attend the holiday at the beach. 不定式作宾语He promised not to tell anyone about it.如果宾语有自己的补语，则常用it作形式宾语，而把真正作宾语的不定式放在后面放在后面，常带有形式宾语的动词有：believe. Consider. Feel. Find. Know. Make . regard例：we think it important to obey the laws. √we think to obey the laws is important. ×I know it impossible to finish so much homework in a day.不定式作介词宾语当介词but、except、besides前面有行为动词do及其各种形式时，介词后面的不定式可以省略to，否则不省略。
What do you like to do besides play football？We have no choice but to wait.个别介词可以用“疑问词+不定式”作宾语The boy has him own idea of how to finish it.不定式起形容词作用作定语不定式作定语用来修饰名词或代词，置于它所修饰的词后，而且放在其他后置定语的后面。
同时与它所修饰的名词或代词形成逻辑上的动宾关系或主谓关系。
He always has a lot of meetings to attend. 不定式to attend 和名词meetings 形成动宾关系The next train to arrive was from Seattle. To arrive 和train形成主谓关系Do you have anything interesting to read?如果作定语用的不定式是不及物动词，就要加上介词，使被修饰的这个词成为这个介词的逻辑宾语。
中考英语专题讲练： 动词不定式(含解析)语法专项练习
动词不定式非谓语动词指的是在句中不能单独作谓语, 但保留动词的某些特征（如有自己的宾语或状语等）的动词形式。
非谓语包括动词不定式、现在分词、过去分词和动名词。
非谓语动词没有人称和数的变化, 但要遵循基本的时态语态规则, 在句中充当各种成分。
一、动词不定式基本构成形式 结构 例句肯定形式to+动词原形The teacher asked his students to finish their homeworkon time.老师让学生们按时完成作业。
否定形式 not to+动词原形Aunt Li often tells her son not to eat too much sugar. 李阿姨经告诫她的儿子不要吃太多的糖。
被动形式 to+be+过去分词He would like to be treated as a child. 他喜欢被当成孩子般看待。
注意: 动词不定式在一些感官动词（see, watch, hear 等）或使役动词（make, let, have 等）的后面, 做宾补时, 通常会省略to, 如:动词不定式知识精讲The boss made me work ten hours a day.=I was made to work ten hours a day by the boss.这个老板让我一天工作十个小时。
二、动词不定式的语法功能动词不定式在句子中可充当主语、表语、宾语、宾补、定语和状语（即除谓语之外的各种成分）。
1.不定式作主语1).动词不定式短语作句子主语时，视为单数，谓语动词用第三人称单数，如：To make work more efficient is our goal.让工作更有效率是我们的目标。
2).不定式短语作主语时, 为了考虑句子的平衡, 常用it作形式主语, 而将真正的不定式主语放在句子后面, 结构为: It+is/ was+adj.(+for sb.)+动词不定式, 如上一句话也可写成:It’s our goal to make work efficient.我们的目标是让工作更有效率。
中考英语动词不定式顶级综合用法练习题20题含答案解析
中考英语动词不定式顶级综合用法练习题20题含答案解析1.My mother often tells me to study hard to get good grades.A.studyB.to studyC.studyingD.studies答案解析：B。
本题考查动词不定式作宾语补足语。
tell sb to do sth 是固定用法，表示“告诉某人做某事”。
选项A 是动词原形，不符合用法；选项C 是动名词形式，也不正确；选项D 是第三人称单数形式，同样不符合。
2.I want to go to the park to enjoy the beautiful flowers.A.goB.to goC.goingD.goes答案解析：B。
本题考查动词不定式作目的状语。
want to do sth 表示“想要做某事”，to go to the park 在这里是为了说明去公园的目的是欣赏美丽的花朵。
选项 A 是动词原形，缺少to；选项C 是动名词形式，不符合want 的用法；选项D 是第三人称单数形式，错误。
3.The teacher asked us to finish our homework on time.A.finishB.to finishC.finishingD.finishes答案解析：B。
考查动词不定式作宾语补足语。
ask sb to do sth 是固定搭配，“要求某人做某事”。
选项A 是动词原形，没有to 不合适；选项C 是动名词形式，错误；选项D 是第三人称单数形式，不符合。
4.I have a lot of work to do.A.doB.to doC.doingD.done答案解析：B。
本题考查动词不定式作后置定语。
“a lot of work to do”表示“很多要做的工作”。
选项A 是动词原形，不能作后置定语；选项C 是动名词形式，也不行；选项D 是过去分词形式，不符合。
人教版中考英语动词不定式顶级综合用法练习题20题含答案解析
人教版中考英语动词不定式顶级综合用法练习题20题含答案解析1.She wants ____ a new dress.A.buyB.to buyC.buyingD.bought答案解析：B。
want 后接动词不定式作宾语，A 选项缺少to；C 选项是动名词形式，want 后不接动名词；D 选项是过去式，不符合语法。
2.The teacher told us ____ hard.A.studyB.to studyC.studyingD.studied答案解析：B。
tell 后接动词不定式作宾语补足语，A 选项缺少to；C 选项是动名词形式，tell 后不接动名词；D 选项是过去式，不符合语法。
3.My mother often asks me ____ my homework first.A.doB.to doC.doingD.done答案解析：B。
ask 后接动词不定式作宾语补足语，A 选项缺少to；C 选项是动名词形式，ask 后不接动名词；D 选项是过去分词，不符合语法。
4.I have a lot of homework ____.A.doB.to doC.doingD.done答案解析：B。
have sth to do 表示有某事要做，动词不定式作后置定语，A 选项缺少to；C 选项是动名词形式，不符合语法；D 选项是过去分词，不符合语法。
5.He went to the library ____ some books.A.borrowB.to borrowC.borrowingD.borrowed答案解析：B。
去图书馆的目的是借书，动词不定式作目的状语，A 选项缺少to；C 选项是动名词形式，不符合语法；D 选项是过去式，不符合语法。
6.She is too tired ____ anything.A.to doB.doC.doingD.done答案解析：A。
too...to...表示太……而不能……，动词不定式作结果状语，B 选项缺少to；C 选项是动名词形式，不符合语法；D 选项是过去分词，不符合语法。
中考英语动词不定式练习50题含答案解析
中考英语动词不定式练习50题含答案解析1.She wants _____ a new dress.A.to buyB.buyC.buyingD.bought答案解析：A。
“want to do sth”是固定用法，表示“想要做某事”。
选项 A 中“to buy”在句中作宾语，表示她想要买的行为。
选项B“buy”是动词原形，不能直接放在“wants”后面。
选项C“buying”是动词的现在分词形式，“want doing”一般用于主动形式表示被动意义，这里不符合。
选项D“bought”是过去式，也不能直接放在“wants”后面。
2.He hopes _____ a good student.A.to beB.beC.beingD.is答案解析：A。
“hope to do sth”是固定用法，表示“希望做某事”。
选项A“to be”在句中作宾语，表示他希望成为的状态。
选项B“be”是动词原形，不能直接放在“hopes”后面。
选项C“being”是现在分词形式，这里不符合用法。
选项D“is”是系动词，不能直接放在“hopes”后面。
3.They plan _____ a picnic this weekend.B.haveC.havingD.had答案解析：A。
“plan to do sth”是固定用法，表示“计划做某事”。
选项A“to have”在句中作宾语，表示他们计划进行野餐的行为。
选项B“have”是动词原形，不能直接放在“plan”后面。
选项C“having”是现在分词形式，这里不符合用法。
选项D“had”是过去式，也不能直接放在“plan”后面。
4.We decide _____ to the zoo tomorrow.A.to goB.goC.goingD.went答案解析：A。
“decide to do sth”是固定用法，表示“决定做某事”。
选项A“to go”在句中作宾语，表示我们决定去动物园的行为。
中考英语动词不定式练习50题带答案解析
中考英语动词不定式练习50题带答案解析1.She wants to learn English well.A.to learnB.learningC.learnsD.learned答案解析：A。
“want to do sth”是固定用法，表示“想要做某事”，动词不定式“to learn”作“want”的宾语。
选项B“learning”是动名词形式；选项C“learns”是第三人称单数形式；选项D“learned”是过去式，均不符合“want to do sth”的用法。
2.He hopes to pass the exam.A.to passB.passingC.passesD.passed答案解析：A。
“hope to do sth”表示“希望做某事”，动词不定式“to pass”作“hope”的宾语。
选项B“passing”是动名词形式；选项C“passes”是第三人称单数形式；选项D“passed”是过去式，都不符合“hope to do sth”的结构。
3.They plan to visit the museum.A.to visitB.visitingC.visitsD.visited答案解析：A。
“plan to do sth”是固定搭配，“to visit”作“plan”的宾语。
选项B“visiting”是动名词形式；选项C“visits”是第三人称单数形式；选项D“visited”是过去式，不符合“plan to do sth”的用法。
4.We decide to go shopping.A.to goB.goingC.goesD.went答案解析：A。
“decide to do sth”意为“决定做某事”，“to go”是动词不定式作“decide”的宾语。
选项B“going”是动名词形式；选项C“goes”是第三人称单数形式；选项D“went”是过去式，与“decide to do sth”不相符。
中考英语动词不定式顶级综合用法练习题20题(带答案)
中考英语动词不定式顶级综合用法练习题20题(带答案)1. It's important _______ English well for us students.A. learnB. learningC. to learnD. learned答案解析：C。
在这个句子中，it是形式主语，真正的主语是后面的动词不定式短语to learn English well。
这种结构是为了避免句子头重脚轻。
选项A是动词原形，不能作句子的真正主语；选项B是动名词形式，在这里不符合句子结构要求；选项D是过去式，也不能作主语。
2. She wants _______ a doctor when she grows up.A. becomeB. to becomeC. becomingD. became答案解析：B。
want后面接动词不定式作宾语，这是want这个动词的固定用法，表示“想要做某事”。
选项A是动词原形，不能直接跟在want后面；选项C是动名词形式，不符合want的用法；选项D 是过去式，同样不符合要求。
3. His dream is _______ a famous singer.A. beB. to beC. beingD. been答案解析：B。
在这个句子中，动词不定式to be作表语，用来表明主语his dream的具体内容。
选项A是动词原形，不能直接作表语；选项C是动名词形式，不符合这里的用法；选项D是过去分词，也不能作表语。
4. We decided _______ to the park this Sunday.A. goB. goingC. to goD. went答案解析：C。
decide后面要接动词不定式作宾语，表示“决定做某事”。
选项A是动词原形，不能直接跟在decide后面；选项B是动名词形式，不符合decide的用法；选项D是过去式，不符合要求。
5. It's very kind _______ you to help me with my English.A. ofB. forC. toD. with答案解析：A。
08 动词不定式的用法-2023新七年级英语核心知识点与常见题型通关讲解练
08动词不定式的用法第一部分动词不定式的用法知识梳理一、构成：to + 动词原形二、作用：作除谓语外的任何成分三、动词不定式的作用四.、不定式的特殊用法①使役动词和感官动词后跟动词不定式作宾语补足语，须省略to。
此类动词有：一感(feel)、二听(hear, listen to)、三让(let, make, have)、四看(look at, see, watch, notice)、五帮(help)。
变为被动语态时，省略的to 则要加上。
①动词不定式的否定形式是not to do，其被动形式为to be done。
►Our teacher asked us not to swim in the river alone. 我们老师要求我们不要独自一人在河里游泳。
①常接＂疑问词+带to的不定式＂的动词有teach, show, tell, learn, find out, decide, know, forget等。
►My mother taught me how to cook yesterday. 昨天我妈妈教我如何做饭。
第二部分动词不定式的用法专项训练（含解析）一、单项选择1．I want ________ more about the world.A．to learn B．learning C．learn D．learn to2．I really love sports. Can you tell me how ________ badminton?A．play B．to play C．playing D．plays3．—What do we need ___________ for dinner ?—Some vegetables and cakes.A．buy B．to buy C．buying D．buys4．Let ________ and ________ friends.A．he; I am B．he; I are C．him; me are D．him; me be5．Playing sports makes him ________ happy.A．to feel B．feels C．feel D．feeling6．It’s sunny and windy. Let’s________ kites together.A．flies B．fly C．to fly D．flying7．—What do you think of the two dresses?—I think this new dress is better. It makes ________ pretty.A．her look B．her looks C．she look D．she looks8．— Your cousin Peter must be good at English.— Yes, I often hear him ________ English in the morning.A．read B．reads C．reading D．to read9．_________ Yushan Park, please turn left after you ________ the bus stop.A．To arrive; pass B．Arrive at; past C．Get to; past D．To get to; pass10．Every year we see many mums _________ cheongsam（旗袍）at the school gate to wish their children good luck at the college entrance examination.A．wear B．wearing C．to wear D．wore11．My teacher often makes me ________ my deskmate with his study.A．to help B．helps C．helping D．help12．Harry Potter (《哈利波特》) is ________ interesting book. I want ________ one.A．a; to buy B．an; to buy C．the; buys D．an; buy13．I want ________ a teacher and let’s ________ good friends.A．be; be B．to be; to be C．be; to be D．to be; be14．—-Let us help him ________ his homework. —Thank you.A．does B．doing C．with do D．do15．Miss Gao wants _________ his housework before supper.A．finishes B．finish C．to finish D．finishing16．We need ________ healthy.A．stay B．stays C．to stay D．staying17．It takes me three hours ________ the new house.A．clean B．to clean C．cleaning D．cleaned18．Everyone ________ here. Let’s ________ our class.A．is, to begin B．are, begin C．is, beginning D．is, begin19．I like ________. I would like ________ shopping with my good friend this weekend.A．shop, going B．shopping, to go C．shopping, going D．to shop, going20．— Kate, did you watch the science lesson from the Tiangong space station?— Yes, of course! It makes us ________ very excited.A．feel B．to feel C．feeling D．feels二、完成句子21．马克的妈妈请他带她参观他的学校。
中考英语动词不定式顶级综合用法练习题30题含答案解析
中考英语动词不定式顶级综合用法练习题30题含答案解析1.My brother wants _____ a basketball player when he grows up.A.to beB.beC.beingD.to being答案解析：A。
want to do sth 是固定用法，想要做某事，所以选A。
B 选项be 动词原形不能直接放在wants 后面；C 选项being 是现在分词，不符合want 的用法；D 选项to being 用法错误。
2.I hope _____ to my birthday party.A.you to comeB.you comeC.you comingD.you can come答案解析：D。
hope 后面不能直接跟动词不定式，也不能跟sb to do sth 的形式，A 选项错误；B 选项you come 不符合hope 的用法；C 选项you coming 错误；D 选项hope 后面可以跟宾语从句，you can come 符合语法。
3.She plans _____ a movie this weekend.A.to seeB.seeC.seeing答案解析：A。
plan to do sth 计划做某事，所以选A。
B 选项see 动词原形不能直接放在plans 后面；C 选项seeing 是现在分词，不符合plan 的用法；D 选项sees 是第三人称单数形式，也不对。
4.We decide _____ on a picnic tomorrow.A.to goB.goC.goingD.goes答案解析：A。
decide to do sth 决定做某事，选A。
B 选项go 动词原形错误；C 选项going 现在分词不对；D 选项goes 第三人称单数形式错误。
5.He offered _____ me with my English.A.to helpB.helpC.helpingD.helps答案解析：A。
初中英语动词不定式用法梳理及练习题
初中英语动词不定式用法动词不定式是由“不定式符号to+动词原形”构成的一种非谓语动词结构。
有些动词不定式不带to，动词不定式可以作句子的主语、表语、宾语、定语、补语、状语或单独使用。
不定式保留动词的某些特性，可以有自己的宾语、状语等。
动词不定式和它后面的宾语、状语等一起构成短语，叫作不定式短语。
一、用作主语直接把动词不定式置于句首的情况不多，多数情况用it作形式主语，把真正的主语——动词不定式置于句末，特别是不定式短语较长时。
动词不定式作主语，谓语动词用第三人称单数形式。
带疑问词的不定式短语作主语常置于句首，复合不定式结构作主语常置于句末。
如：1. I t is our duty to try our best to deal with these problems.2.The head teacher said it was necessary to talk with his mother.3.How to learn English well is important.4.To see is to believe.(眼见为实；百闻不如一见)二、用作表语动词不定式作表语，常说明主语的内容、性质、特征。
如：1.The best way is to join an English club.2.The first thing is to listen to the teacher carefully.三、用作宾语1.可以接带to的动词不定式作宾语的动词主要有：要求选择同意(ask, choose, agree)，期望决定学习(expect, hope, decide, learn)，宁可假装知道(prefer, pretend, know)，希望想要愿意(wish, want, would like / love)。
如：1)We decided to talk to some students about why they go there.2)He prefers to eat white bread and rice.3)Id love to visit Mexico.2.动词decide, know, learn, show, teach, tell...，介词结构on...可用疑问词带to的不定式短语作宾语，但why后面的不定式不带to。
初中动词不定式专题讲解及练习(全面)
语法：动词不定式动词不定动式是一种非谓语动词形式，它没有人称和数的变化，在句子中不能作谓语，但可以作除谓语之外的其它任何句子成分（主语、表语、宾语、宾语补足语、定语和状语）；动词不定式具有名词、形容词和副词的特征，同时还保持动词的某些特点，既可以有自己的宾语和状语，动词不定式和它的宾语和状语构成不定式短语。
一、构成：to do .否定式not to do二、常见时态：一般时to do 进行时to be doing 完成式to have done完成进行式to have been doing三、动词不定式在句子中的成分1、作句子的主语：现实中常用it作形式主语，而把真正的主语动词不定式（或短语）后置。
比较下列句子To learn from your friends is important.=It is important to learn from your friends .To leave without saying goodbye is impolite.= It is impolite to leave without saying goodbye.To chat with Miss White is a pleasant thing.=It is a pleasant thing to chat with Miss White.To walk to school takes me ten minutes.=It takes me ten minutes to walk to school.句型总结●It is + adj. + of sb. to do…= sb. is\are +adj. +to do…在以某些表示人的品质、特征等的形容词（如kind、good、nice、wrong、clever、right等）作表语时，不定式之前常加一个引起的短语，说明不定式指的是谁的情况（可以理解为某人的好，坏，聪明，愚蠢，对，错等等）。
第十二章动词不定式(思维导图+知识梳理+好题精炼)2022-2023初中英语中考语法归纳
第十二章动词不定式思维导图知识梳理一、不定式概述动词不定式的基本形式是:“t o+动词原形”,有时可以不带to.不带to的不定式与动词原形同形,但它不是原形,而是一种语法形式.除基本助动词do和情态动词外,英语动词都有不定式形式.动词不定式没有人称和数的变化,在句子中不能作谓语,但可以担任除谓语外的任何成分－主语、表语、宾语、定语、状语和宾语补足语.动词不定式和它的宾语或状语构成不定式短语.不定式有时态、语态变化(以do为例):主动语态被动语态一般式to do to be done进行式to be doing -完成式to have done to have been done 完成进行式to have been doing -(一)作主语用作主语的动词不定式通常表示一种具体的、特定的行为,其谓语动词用第三人称单数形式.To obey the laws is everyone's duty.服从法律是每个人的职责.How to use the computer is a question.怎么使用计算机是一个问题.How to get there is not decided yet.怎样去那里还没决定下来.点拨(1)在很多情况下,常用it作形式主语,而把真实主语不定式放在谓语之后.It was difficult to sell my car.我的车很难卖掉.It's not known where to stay for the night.在哪里过夜还不知道.(2)如果要表示不定式的动作是谁做的,一般在不定式前加一个for短语.It will be a regret for us not to help him.我们没有帮助他是个遗憾.(3)在某些形容词(如kind, good, nice, wise, unwise, clever, silly, wrong, right, foolish, stupid, careless, considerate, rude, naughty, impolite等)作表语时,不定式前常可加一个以of引起的短语,来说明不定式指的是谁的情况.It would be rude of us to refuse their invitation.(我们)拒绝他们的邀请,会显得无礼.(二)作表语作表语,一般紧跟在系动词,如:be, seem, get等后面,用以说明主语.The question is when to start.问题是什么时候启程.You seem to have lost weight.你好像减肥了.What we have to do first is to find a solution.我们得做的第一件事是找出一个解决办法.点拨当不定式所作的表语仅用来说明主语的内容时,这个不定式只作单纯的表语,而不具有未来的含义.(三)作宾语能以不定式作宾语的动词很多,常见的有:agree, begin, decide, expect, forget, hope, learn, like, manage, pretend, start, try, want, wish等.Do you wish to see the manager?你想见经理吗?They decided to learn English hard.他们决定好好学英语.Don't forget to meet me at 6:00.别忘了六点钟和我见面.有些动词,如:tell, advise, show, teach, know, forget, learn , remember, show,understand, see, wonder, hear, find out, explain, decide, discuss等后面,常用带疑问词的不定式作宾语.We don't know who(whom)to ask.我们不知道问谁.We asked how to get to the station.我们问怎么到达车站.Have you decided where to go for your holidays?你们决定到哪儿度假了吗?I don't know whether to apply for the job or not?那份工作我不知道申请还是不申请?(四)作定语I have no time to waste.我没有时间可浪费.Let me find a place to park.我来找个停车的地方.He is always the first to come to work and the last to leave.他总是第一个来上班,最后一个走.点拨不定式修饰something, anything, nothing时,放在它们的后面.如果something, anything, nothing 有形容词来修饰,词序是something(nothing...)+形容词＋不定式.My father had something to do.我父亲有事要办.Have you got anything important to buy?你有什么重要的东西要买吗?(五)作状语不定式常可用作状语,修饰动词,表示行为的目的、结果、原因等.一般放在被修饰词之后,但在表示目的时,为了强调也可放在句首.1.作目的状语为加强语气在否定式前还可加上in order或so as组成词组(即:in order to...,so as to...),作状语表示目的.To live a long and healthy life, we must learn to have a balanced diet.为了能过长寿而健康的生活,我们必须懂得吃均衡的食品.I stayed there so as to see what would happen.我留在那儿,为的是想看看会发生什么事.In order to help him, we would do everything we can.为了帮助他,我们愿意尽一切力量.2.作结果状语表结果,其逻辑主语通常亦是全句的主语.在“so...as to...”“such...as to..“enough to...”“only to...”以及“too...to...”等结构中的不定式皆表示结果.She is old enough to go to school.她已到了可以上学的年龄了.He was too drunk to drive home.他酩酊大醉,没法开车回家.3.作原因状语She trembled to think of the terrible accident.想到那可怕的车祸,她就不寒而栗.We jumped with joy to hear the news.听到这消息,我们都高兴地跳了起来.(六)宾语补足语1、有很多动词的后面都可以有不定式作宾语补足语常见的这类动词有:advise, ask, tell, help, wish, want, expect, forbid, persuade, press, request, teach, warn等.She asked her grandfather to play game with her.她请爷爷跟她一起做游戏.Mother told me to cook the meal.妈妈叫我做饭.2.有一些动词后用作宾语补足语的不定式通常不带to,这种动词有两类:一类是感觉动词,另一类是使役动词感觉动词:如feel, see, hear, watch, notice等.使役动词:如make, let, have等.Let me do it for you.让我来替你做.Don't let her go out.别让她出去.I made him work hard.我迫使他加劲干.(1)动词help之后,复合宾语中的不定式可带to,亦可不带to.在上述动词转换为被动结构时,其后的不定式必须带to.He was seen to enter the theatre.有人看见他走进了剧院.I was made to do my homework the whole night.我被迫整晚做作业.Can you help me (to) move this table?你能帮我移动一下这张桌子吗?(2)感官动词的宾语补足语有两种形式:不带to的不定式和动词-ing形式.I heard Meimei singing in her room when I went past.我路过的时候听见梅梅在房间里唱歌.(路过的瞬间正在唱,所以用singing)We often hear Meimei sing in her room.我们经常听见梅梅在房间里唱歌.(经常听见,用不定式)I saw him come in.I saw him coming in.两句话的意思都一样:我看见他进来.用不定式着重于动作的全过程,用动词-ing形式则是强调当时动作的进行情况.3.当谓语动词为think, make, find, consider, feel, regard等词,作宾语的不定式后面有宾语补足语时,常用it作形式宾语,而将真正的宾语放在补足语的后面I find it easy to learn English well.我发现要把英语学好很容易.三、不定式的主要句型及注意事项(一)不定式的否定式不定式的否定式:not+不定式,经常和ask(tell)sb. to do sth.句型连用.She asked me not to drive him to the station.她要我不要开车送他到车站.Try not to be late.争取不要迟到.Mary asked me not to give my pen to Jimmy.玛丽让我别把笔给吉米.She decided not to come here again.她决定不再到这儿来.点拨不定式的否定式和否定句的区别:I asked him not to open the door.我让他别把门打开.I didn't ask him to open the door.我没让他把门打开.(二)不定式的进行时态进行式:表示在谓语动词所表示的动作或状态发生时正在进行.It's nice to be sitting here with you.在这儿陪你坐着是非常愉快的.It is unwise for him to be talking that topic all the time.他老是谈论这件事,很不明智.(三)不定式的完成时态完成式表示在谓语动词的动作或状态发生时已经完成.She said she was sorry to have missed you.她说她没见到你很遗憾.He seemed to have visited our factory.他好像参观过我们的工厂.They appeared to have met before.他们看来以前见过面.(四)动词不定式的被动语态表示被动意义I didn't want to be told about it.我不想被告知这件事.Nothing seems to have been forgotten.似乎什么也没有被遗忘.The building is said to have been destroyed in a fire two years ago.据说这幢大楼两年前已毁于一场大火.在以某些形容词,如kind, good, silly, honest, bad, stupid, bold, clever, cruel,courteous, nice, rude, sensible, tactful, wise, wrong等作表语时,后面需用以“of+名词(或代词宾格)＋不定式”结构,以说明不定式所表示的动作的执行者是谁(即of短语是不定式的逻辑主语).It's very good of you to come.谢谢你的光临.How silly of you (it is)to make such a mistake!你出了这样的差错,多傻啊！It's very kind of you to say so.多谢你这么说.在had better, had best, would rather, would rather...than, would sooner, would sooner...than, cannot but, do nothing but等结构后面的不定式要省略“to”.You had better write it in English.你最好用英文写.I would rather stay at home.我宁愿待在家里.好题精练一、用-ing形式或不定式的适当形式完成句子1.Do you enjoy_________ football?(play)2.Fred didn't have any money, so he decided_________ a job.(take)3.We're going out for dinner, Would you like_________ us?(join)4.The teacher reminded the students_________ their test paper on time.(finish)5.When I was tired, I enjoyed_________ TV.(watch)6.It was a nice day, so the old man agreed_________ for a walk.(go)7.I'm not in a hurry, I don't mind_________.(wait)答案:1.playing2.to take3.to join4.to finish5.watching6.to go7.waiting二、选择括号内所给词组完成句子,注意括号内“go+v.-ing形式”构成固定搭配的用法(go boating; go fishing; go dancing; go running; go skating; go hunting; go singing)1.She's a good dancer. She always_________ on Saturday.2.I've got a gun. I'll_________ with that strong hunter next weekend.3.“Where is Tim?”“He has. _________ He always runs in the morning.”4.We have enough fish to eat. Our father_________ every day.答案:1.goes dancing2.go hunting3.gone running4.goes fishing三、仿照示例改写下列句子示例:It is very interesting to play baseball.→ To play baseball is very interesting.1.lt was not polite to speak that way before Mr. Lee.___________________________________________________________________________________________ _2.It can be quite easy to travel by air.___________________________________________________________________________________________ _3.lt will be no problem to arrive there before noon.___________________________________________________________________________________________ _4.To make those strangers believe us was so difficult.___________________________________________________________________________________________ _5.To help Tom speak Chinese well is not at all easy.___________________________________________________________________________________________ _答案:1.To speak that way before Mr. Lee was not polite.2.To travel by air can be quite easy.3.To arrive there before noon will be no problem.4.It was so difficult to make those strangers believe us.5.It is not at all easy to help Tom (to) speak Chinese well.四、选择填空1. _________ the bookstore, he stopped_________ a few books.A. Passing; buyingB. Passing; to buyC. To pass; buyingD. Having passed; to buy2.Bruce,look at your dirty shoes, You'd better_________ them right now.A. washedB. washingC. washD. to wash3. _________ the room, I found the computer_________.A. Entering; stealingB. Entering; stolenC. To enter; stealD. To enter; stealing4.We've worked hard for nearly one hour. Let's stop_________ a rest now.A. haveB. to haveC. havingD. have had5.My mother always tells me not_________ to the net bars(网吧)．A. goB. to goC. goesD. going6.The teacher asked us_________ English for half an hour in the morning.A. reads B reading C. to read D. read7.You will have to get up early tomorrow. Stop_________ TV, Peter.A. watchesB. watchC. to watchD. watching8.I find it hard_________ English well.A. learnB. learningC. to learnD. learns9.The teacher asked John_________ a short talk in our class meeting.A. giveB. to giveC. gaveD. giving10.The girl was too poor_________ a houseA. to buy; to live inB. to buy ;to liveC. buy; to liveD. buying; living in11.It was very late at night, but Mr. Brown still went on_________.A. works B .worked C. working D. work12.Remember_________ him about it before he goes away.A. tellB. to tellC. tellingD. to telling13.Lin Tao is strong enough_________ the big box.A. carryB. to carryC. carryingD. carries14.Her mother told her_________ in bed.A. not readB. not to readC. don't readD. to not read15.When class began, we stopped_________ to the teacher carefully.A. listeningB. listenC. listens D .to listen16.You'd better_________ the cinema by bus.A. don't goB. to goC. to go toD. go to17.What did the manager_________ you to_________ at the meeting?A. tell; sayB. ask; speakC. tell; speakD. ask; talk18.Tom was let_________ in the gate house.A. waitB. to waitC. waitingD. to have waited19.Mr.Hu has enough time_________ the job in two days.A. finishB. to finishC. finishingD. finished20.Look,the building_________ is our library.A. is repairedB. being repairedC. repairingD. to be repairing21. _________ no money, I could not buy this coat.A. HaveB. HavingC. To haveD. Have had22.The teacher has something important_________ us.A. to tellB. tellsC. tellingD. told23.Li Ming didn't know_________ next.A. to do whatB. what to doC. how to doD. what do24.I'd love_________ to your birthday party.A. comeB. cameC. to comeD. comes25.It took me two hours_________ by bus.A. to get thereB. to get to thereC. get thereD. get to there答案:1-5BCBBB 6-10CDCBA11-15CBBBD 16-20DABBB21-25 BABCA五、改正下列句子的错误1.He seems to not hear from her.___________________________________________________________________________________________ _2.I hope see you soon.___________________________________________________________________________________________ _3.I made them to give the money back.___________________________________________________________________________________________ _4.The scientist gave us some advice on how learning English.___________________________________________________________________________________________ _5.No one noticed him to leave the room.___________________________________________________________________________________________ _6.Have you given up to smoke?___________________________________________________________________________________________ _7.We found him waited at the school gate.___________________________________________________________________________________________ _8.Why not to turn off the light?___________________________________________________________________________________________ _9.She didn't want me go.___________________________________________________________________________________________ _10.I don't know to swim.___________________________________________________________________________________________ _11.China is a developed country belonging to the third world.___________________________________________________________________________________________ _12.It's getting dark. We have to find a hotel to live.___________________________________________________________________________________________ _13.He said he had an important meeting to attended.___________________________________________________________________________________________ _14.They don't allow that people smoke.___________________________________________________________________________________________ _15.It's difficult sell my car.___________________________________________________________________________________________ _答案:1.He seems not to...2.I hope to see...3.I made them give...4....how to learn...5....him leave...6....given up smoking?7...him waiting...8.Why not turn off...9.She didn't want me to go.10.I don't know how to swim.11....a developing...12....to live in13....to attend.14. ...people to smoke.15...to sell my car.。
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初中英语动词不定式用法动词不定式是由“不定式符号to+动词原形”构成的一种非谓语动词结构。
有些动词不定式不带to，动词不定式可以作句子的主语、表语、宾语、定语、补语、状语或单独使用。
不定式保留动词的某些特性，可以有自己的宾语、状语等。
动词不定式和它后面的宾语、状语等一起构成短语，叫作不定式短语。
一、用作主语直接把动词不定式置于句首的情况不多，多数情况用it作形式主语，把真正的主语——动词不定式置于句末，特别是不定式短语较长时。
动词不定式作主语，谓语动词用第三人称单数形式。
带疑问词的不定式短语作主语常置于句首，复合不定式结构作主语常置于句末。
如：1. I t is our duty to try our best to deal with these problems.2.The head teacher said it was necessary to talk with his mother.3.How to learn English well is important.4.To see is to believe.(眼见为实；百闻不如一见)二、用作表语动词不定式作表语，常说明主语的内容、性质、特征。
如：1.The best way is to join an English club.2.The first thing is to listen to the teacher carefully.三、用作宾语1.可以接带to的动词不定式作宾语的动词主要有：要求选择同意(ask, choose, agree)，期望决定学习(expect, hope, decide, learn)，宁可假装知道(prefer, pretend, know)，希望想要愿意(wish, want, would like / love)。
如：1)We decided to talk to some students about why they go there.2)He prefers to eat white bread and rice.3)Id love to visit Mexico.2.动词decide, know, learn, show, teach, tell...，介词结构on...可用疑问词带to的不定式短语作宾语，但why后面的不定式不带to。
如：1)Could you please tell me where to park my car?2)It gives advice on what to do in lots of different situations.3.动词feel, find, make, think等后面，可以用it作形式宾语代替真正的宾语——动词不定式，句子结构是...feel / find / make / ... it+adj. / n.+to do...。
如：I find it difficult to remember everything.4.既可接动词不定式又可接ving形式作宾语，意思差别不太大的动词有begin, start, like, love等。
一般说来，动词不定式表一次、数次的具体动作、将来动作或动作的全过程，ving形式表习惯性的连续动作。
但是这种区别并不很严格，特别是美国英语，即使是习惯性的动作也可以用动词不定式。
如：1) Then I started to watch Tv.2) I am beginning to understand my parents.begin用了进行时态，后面只接不定式作宾语，表示事情刚开始，还要继续下去。
3) I like to eat vegetables.感知动词like, love, know等一般不用进行时态。
5.后接动词不定式或ving形式作宾语，意思差别较大的动词有forget, remember 等。
后接不定式作宾语，表动作尚未发生；后接ving形式作宾语，表动作已经发生。
stop to do停下来做另外一件事，to do是目的状语；stop doing停止做、不做当前这件事，doing是宾语。
try to do尽力做，try doing试试看；go on to do 接着做另外的事，go on doing继续做原来的事。
如：1)When I left home, I forgot to bring it with me. 2)I stopped using them last year.四、用作定语1.句子的主语或宾语是动词不定式的逻辑主语，不定式与其所修饰的名词、代词等存在逻辑的动宾关系.1)I have so many clothes to wash today.2)I can’t think of any good advice to give her. 3)We have no houses to live in.2.动词不定式所修饰的名词是place, time, way等时，不定式与这些名词呈现出动状关系或同位关系。
如：1)He needs time to do homework.2) He wants to know the best way to travel around the city.3.在“there be...”句型里，句子的主语是动词不定式动作的对象：1)There’s just so much to see and do here.2)... but there are still many things to do there.五、用作宾语补足语1.带to的动词不定式作宾语补足语的动词主要有：要求允许提议(ask, allow, , advise)，期望邀请鼓励(expect, , invite, encourage)，教导告诉想要(teach, tell, want)，等待希望愿意(wait for, wish, would like / love)。
如：1)Id invite her to have dinner at my house.2 We should allow the children to choose their own clothes.2.动词不定式作补语，在主动语态句里不带to，被动语态句里带to时多数动词是感官动词和使役动词，包括四“看”：look at, observe, see, watch，三“让”：have, let, make，二“听”：hear, listen to，一“感觉”：feel，一“注意”：notice。
如：1)This picture makes me feel excited！2)We saw Liu Yu play baseball last week.3.help后接动词不定式作补语，to可带可不带。
1) they can help you to learn English. 2)Using email English helps you write quickly.六、用作状语1.目的状语，置于句首或句末，置于句首时常表示强调。
如：1)In order to catch the early bus, she got up very early.2)A group of young people got together to discuss this question.3)She came to this city to visit her daughter.2.原因状语，多见于“sb.+be+adj.+to do...”结构句中。
如：1) I feel very lucky to have him.2) he ran out of money to buy old bikes.3.结果状语，多见于“too...to”，“enough to...”结构句中。
如：1) I’m too tired to do it well.2)The room is big enough for three people to live in.七、动词不定式的复合结构动词不定式的复合结构是“for / of sb. to do sth.”，for / of引出不定式动作的逻辑主语。
这种结构在句子中可以作主语、宾语、表语、定语、状语等。
不定式复合结构的介词用for还是of，主要决定于前面形容词的性质。
一般说来，of前面的形容词是careful, clever, foolish, good, kind, nice, wise等，既说明人的特性，又说明不定式动作的特性。
for前面的形容词是dangerous, difficult, easy, hard, heavy, important, interesting, necessary等，一般说明不定式动作的特性，前面如果是名词用for。
如：1.It’s a good idea for parents to allow children to study in groups during the evening.2.It’s wise of him to do it well.3)Is it interesting for the baby to play with a pet dog?八、带疑问词的不定式短语动词不定式前面可以带疑问代词what, which, who或疑问副词how, when, where, why等。
这种结构起名词的作用，在句子里用作宾语、主语、表语等，或者单独使用。
要注意的是，why后面的不定式不带to。
如：1.用作句子的成分。
1)I don’t know what to try next. (作宾语)2)Where to go is not decided yet.(作主语)2.单独使用时相当于一个特殊疑问句。
1)What to do next?(=What will we / you do next?2)Why go there?(=Why do we / you go there?九、动词不定式的否定式不定式的否定式是not / never to do...，不带to的不定式的否定式是not / never do...如：1.They decide not to talk to each other.2.His parents tell him never to play soccer in the street.单项选择：（）1. The teacher told them ________ make so much noise.A. don’tB. notC. will notD. not to（）2. My mother often tells me _______so many mistakes.A. not to makeB. to not makeC. do n’t makeD. not make（）3. Tell him _______ the window.A. to shut (关)notB. not to shutC. to not shutD. not shut（）4. The boy wanted to ride his bicycle in the street, but his mother told him ______. A. not to B. not to do C. not do it D. do not to（）5. Mrs Smith warned(警告) her daughter ________ after drinking.A. never to driveB. to never driveC. never drivingD. never drive（）6. The doctor asked the patient ____rich food after the operation(手术).A. to eat notB. eating notC. not to eatD. not eating（）7. The workers want us ________ together with them.A. workB. workingC. to workD. worked（）8. I saw him _______ out of the room.A. goB. wentC.is goingD. goes（）9. He often makes his little sister _____,A. cryB. cryingC. criedD. to cry（）10 There’re so many kinds of new bikes on sale that I can’t make up my mind _____ to buy.A. whatB. whichC. howD. where（）11. He can’t decide ______ to stay or not.A. whetherB. ifC. eitherD. if he will（）12. --- The light in the office is still on. --- Oh, I forgot _______.A. turning it offB. turn it offC. to turn it offD. turned it off（）13. We agreed _________ here.A. metB. meetingC. to meetD. meet（）14. Frank is the kind of person who people like to ________.A. make friend withB. make friends ofC. make friendsD. make friends with （）15. Go on ________ the other exercise after you finishthis one.A. to doB. doingC.doesD. did（）16. She reached the top of the hill and stopped _______ on a big rockA. restedB. restingC. to restD. rest（）17. Tom kept quiet about the accident because he was afraid of____ his job. A. lose B. to lose C. losing D. lost（）18. I need a day or two ________.A. to think it overB. to think overC. of thinking（）19. He was too excited _________.A. speakB. to speakC. not to speakD. speaking（）20. I’m hungry. Get me something _________.A. eatB. to eatC. eatingD. for eating（）21. --- I usually go there by train.--- Why not _______ by boat for a change ?A. to try goingB. trying to goC. to try and goD. try going（）22. I asked him to _______ me a few minutes so that we could go over all the problems.A. spendB. spareC. saveD. share（）23. They won’t let his mother _______him in that way.A. to treatB. treatedC. treatD. treats（）24. I’m sorry I forgot ______your dictionary. Let’s borrow one from Li Ming. A. to take B. taking C. to bring D. bringing （）25. She couldn’t decide which restaurant _______.A. to have lunchB. to eatC. to eat atD. eating at（）26. Don’t forget _________ the letter .A. to sendB. sendC. sendingD. sent（）27. The chair looks very old, I want a new one _________ .A. sitB.to sit onC. satD.sit on（）28. Is ______ necessary to return the book tomorrow ?A. thisB. thatC. itD. which（）29. I’m afraid they w ould not allow（允许）him ________ here .A. to smokeB. smokingC. smokesD. smoke（）30. Mother told me ________ the water before I drank it .A. boilingB. boiledC. boilD. to boil（）31. On my way home , I stopped _______ some food .A. buyB. to buyC. buyingD. bought。