初中动词不定式用法及练习

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动词不定式讲解,专项练习及答案

动词不定式讲解,专项练习及答案

初中英语语法(动词不定式)1.不定式的基本形式与结构动词不定式指通常由to加上动词原形(如to write) 所构成的一种非限定性动词形式,但在有些情况下to能够省略。

动词不定式有实行体和完成体(如上to be writing,to have written),也有被动态(如to be written),所有的主动词,不管是及物动词还是不及物动词,也不管是动作动词还是状态动词,都有不定式形式。

助动词除be和have外,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)不定式结构作主语1.Te get contact with his family in Taiwan made him extremely 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,假如不定式较长,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 extremely 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.不定式结构所表示的动作是谁做的,即不定式的逻辑主语,通常能够通过for sb. to do sth. 结构表达: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 exam.在某些形容词(如careless,clever,considerate,foolish,good,impolite,kind,naughty,nice,silly,stupid等)作表语时,不定式后能够加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。

动词不定式的用法与练习

动词不定式的用法与练习

动词不定式的用法与练习动词不定式是英语中的一种非限定性动词形式,通常由"to"加上动词的原形构成。

不定式可以具有名词、形容词或副词的功能,在句子中起到不同的作用。

本文将介绍动词不定式的基本用法,并提供一些练习帮助读者巩固所学知识。

一、动词不定式作主语动词不定式可以在句子中作主语,常见句型为:To study is important for success.解析:动词不定式"To study"作主语,表示“学习”在成功中的重要性。

二、动词不定式作宾语动词不定式可以在句子中作宾语,常见句型为:I want to learn French.解析:动词不定式"to learn"作宾语,表示“学习法语”的愿望。

三、动词不定式用于形容词后动词不定式可以用于形容词的后面,修饰名词或代词,常见句型为:I am happy to help you.解析:动词不定式"to help"用于形容词"happy"后,表示“乐意帮助你”。

四、动词不定式用于副词后动词不定式也可以用于副词的后面,修饰动词或整个句子,常见句型为:She went to the park to enjoy the sunshine.解析:动词不定式"to enjoy"用于副词"to the park"后,表示“去公园享受阳光”。

五、动词不定式用于介词后动词不定式还可以用于介词的后面,常见句型为:He is good at playing basketball.解析:动词不定式"playing"用于介词"at"后,表示“擅长打篮球”。

六、动词不定式作状语动词不定式可以作为状语,用于修饰动词、形容词或整个句子,常见句型为:She works hard to achieve her goals.解析:动词不定式"to achieve"作状语,修饰动词"works hard",表示“努力工作以达成她的目标”。

动词不定式用法及练习题经典123

动词不定式用法及练习题经典123

3. stop to do sth. : 停止一件事,去做另一件事。 stop doing sth. :停止正在做的事。 例如: When the teacher came in, the students stopped talking; 当老师走进来时, 学生们停止说话; when he came out, the students stopped to talk. 当老师走出去时, 学生们又开始说话。
4. 我的工作是每天打扫这间屋子。 My work is to clean the room every day. 5. 最上策的计划就是马上离开这儿。 The best plan is to leave at once. 6. 我的梦想就是成为一名科学家。 My dream is to be a scientist. 点击规律: 动词不定式在句中作表语时, 通 常对连系动词前面的名词进行诠释说明。
时态与语态主动语态被动语态一般式进行式完成式完成进行式不定式todotobedonetobedoingtohavedonetohavebeendonetohavebeendoing三动词不定式短语具有名词形容词和副词等的功能可在句中用做多种句子成分
英语(初中)
动词不定式用法
观察下列句子,找 出语法共同点并体 会其用法。
动词不定式用作宾语 (v. + to do ) 1. He wants to borrow my radio.
2. 他们开始读和写。 They began to read and write. 3. 李琳喜欢玩什么?她喜欢踢足球。 What sports does Li Lin like to play? She likes to play soccer. 4. 你长大了想做什么? What do you want to be when you grow up?

(完整版)动词不定式教案和练习

(完整版)动词不定式教案和练习

Infinitives动词不定式教课目的:1.掌握动词不定式的几种形式2.掌握动词不定式在句子中能够作什成分3.掌握动词不定式用法/功能4.掌握运用动词不定式注意事项教课难点:动词不定式用法教课方法:经过放映幻灯片,教师解说,学生思虑,最后总结的方法来实现本课的教课任务。

教课过程:Step1.出示幻灯片让学生认识动词不定式的几种形式1.动词不定式的基本形式to + 动词原形有时能够不带2.动词不定式的否认形式to( 秃顶不定式)not/never + to donot/never + do3.不定式的逻辑主语It ’ s good for you to do morning exercises.The question is too difficult for us to answer. Itroom.It ’ s very kind of you to think of the others.’toos dark for me to see anything in the 假如要说明不定式表示的动作是谁做的,能够在不定式前加一个for(of) 惹起的短语。

介词for(of) Step2.的宾语叫不定式的逻辑主语。

请学生思虑:动词不定式在句子中能够作什成分?学生得出结论:1.作主语2. 作宾语3. 作宾语补足语4. 作定语5. 作状语5.作状语6.作表语7.与疑问词等连用Step3. 出示幻灯片让学生依据总结结果增强记忆。

Step4. 议论动词不定式用法/功能,并总结:(1). 作主语To see is to believe.It ’ s exciting to surf on the Internet作主语的不定式假如很短,往常位于句首;若不定式(短语)较长时,常用 it 作形式主语,而把真实的主语(即动词不定式)放在后边以防止虎头蛇尾。

(2) 宾语I want to go home.The workers decided to get better pay.I found it necessary to talk to him again.常用动词不定式作宾语的动词有:want, hope, wish, refuse, learn,would like, choose, decide, agree,pretend, expect, planHe found it very difficult to get to sleep不定式作宾语时,如带有宾语补足语,则要把不定式放到后边,用it作形式宾语,组成“主语 +动词 +it+ 宾补(形容词、名词)+不定式”构造。

初二英语动词不定式用法练习题40题

初二英语动词不定式用法练习题40题

初二英语动词不定式用法练习题40题1.My mother wants me ____ early every day.A.get upB.to get upC.getting upD.got up答案:B。

want sb to do sth 是固定用法,表示“想要某人做某事”。

A 选项缺少to;C 选项getting up 是动名词形式,不符合语法;D 选项got up 是过去式,也不符合语法。

2.We plan ____ a picnic this weekend.A.haveB.to haveC.havingD.had答案:B。

plan to do sth 表示“计划做某事”。

A 选项have 单独使用错误;C 选项having 动名词形式不符合;D 选项had 过去式错误。

3.The teacher told us ____ hard.A.studyB.to studyC.studyingD.studied答案:B。

tell sb to do sth 是固定用法,表示“告诉某人做某事”。

A 选项缺少to;C 选项studying 动名词形式不对;D 选项studied 过去式错误。

4.I hope ____ a good grade in the exam.A.getB.to getC.gettingD.got答案:B。

hope to do sth 表示“希望做某事”。

A 选项缺少to;C 选项getting 动名词形式错误;D 选项got 过去式不对。

5.She decided ____ a new dress.A.buyB.to buyC.buyingD.bought答案:B。

decide to do sth 表示“决定做某事”。

A 选项缺少to;C 选项buying 动名词形式错误;D 选项bought 过去式错误。

6.They agreed ____ with us.A.goB.to goC.goingD.went答案:B。

动词不定式用法及练习

动词不定式用法及练习

动词不定式用法及练习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.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)It is very kind of you to help me. It’s not polite of him to speak to old people like that.It is + adj. + for sb. to do…≠sb. is\are +adj. +to do…如果要说明不定式表示的动作是谁做的,则在不定式前加一个for引起的短语,即不定式的逻辑主语。

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,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 .2 .3 .4 .(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 .2 .三、用作宾语1.可以接带的动词不定式作宾语的动词主要有:要求选择同意(, , ),期望决定学习(, , , ),宁可假装知道(, , ),希望想要愿意(, , / )。

如:1) .2) .3) Mexico.2.动词, , , , , ...,介词结构...可用疑问词带的不定式短语作宾语,但后面的不定式不带。

如:1)2) .3.动词, , , 等后面,可以用作形式宾语代替真正的宾语——动词不定式,句子结构是 / / / ... . / ...。

如:I .4.既可接动词不定式又可接形式作宾语,意思差别不太大的动词有, , , 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,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) I .2) I .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 .感知动词, , 等一般不用进行时态。

5.后接动词不定式或形式作宾语,意思差别较大的动词有, 等。

后接不定式作宾语,表动作尚未发生;后接形式作宾语,表动作已经发生。

最新人教版八年级下册英语考点动词不定式讲解及练习有答案)

最新人教版八年级下册英语考点动词不定式讲解及练习有答案)

动词不定式一、动词不定式在句子中不能充当谓语,没有人称和数的变化。

二、动词不定式是由“to+动词原形”构成(有时可以不带to)。

动词不定式的否定形式是“not+动词不定式”(not不与助动词连用)。

三、动词不定式短语具有名词、形容词和副词等的功能,可在句中用做多种句子成分。

1、主语:常置于句末,而用it代替其做形式主语。

To go in for sports helps you stay fit.It is dangerous to swim in the deep sea on your own.注:此句式中不定式逻辑上的主语可由for或of引出,逻辑主语由of引出时,表语的形容词为kind, nice, good, polite, clever, foolish, right, wrong等表示评价的形容词。

例:It’s right of him to refuse the invitation. (him为逻辑主语)2、表语:Our duty is to protect the environment.3、动词宾语:此种情况可按固定搭配或句式去记。

例:Would you like to see my photos?Kevin planned to visit his uncle.和plan用法一样的词还有:start, want, agree, hope, begin,decide等。

I found it very difficult to get a job. (it为形式宾语)4、宾语补足语:(1) 在多数复合宾语及物动词后要带to。

例:I asked a friend to read it to me. (book4,L2)(2) 在表示感觉、致使等意义的动词(see, watch, hear, feel, notice, observe, make, let, have, help等) 后不带to。

动词不定式讲解及练习

动词不定式讲解及练习

第一讲动词不定式+综合练习一、目标展示。

仔细观察下列句子,注意划线部分的用法。

1. Sally never forgets to do her homework.2. I agreed to go with them.3. We decided to go out for dinner.4. I hope to study music in France.5. We plan to visit her tomorrow.二、结构肯定形式to do否定形式not to do三、用法1. 作主语eg: To play on the street is very dangerous for children.注意:(1) 为了避免头重脚轻,通常都将作主语的动词不定式置于句子后面,而在句首的主语位置使用形式主语itTo play on the street is very dangerous for children.= It is very dangerous for children to play on the street.(2) 常见的it 作形式主语,动词不定式作真正主语的句式有:A. It is +adj+for/of sb to do sth.eg. It is kind of you to help me.B. It takes/took sb. +时间/金钱+ to do stheg. It takes me an hour to finish my homework.2. 作表语eg. He seems to be very rich.3. 作宾语eg. She likes to talk about it.注意:it 也可作形式宾语,而把真正作宾语的动词不定式放在后面,主要句式有:make / find / think + it +adj.+ to do sth.eg: I find it hard to learn a foreign language well.4. 作定语当名词或代词前有序数词、the only、the last 等修饰时,名词后面要用to do做定语eg. He is always the first student to go to school.▲四.常见直接接不定式to do 作宾语的动词afford 负担得起agree 同意decide 决定hope 希望learn 学习promise 答应offer 主动提出plan 计划prepare 准备refuse 拒绝want 想要would like 想要,愿意eg. I would like to have a cup of coffee.I hope to meet you tomorrow.▲五.常见构成“动词+宾语+不定式to do”结构的动词advise 建议allow 允许ask 请求tell 告诉encourage 鼓励invite 邀请order 命令teach 教warn 警告eg. The teacher told the students to keep quiet.He asked me to wait for him at the gate.▲★六.特殊情况1. 使役动词后省to 的情况:在主动语态中,let/make/have 等使役动词后用作宾语补足语的不定式必须省略to;eg. He made me do a lot of homework.2. 感观动词后省to 的情况:在see, hear, notice 等词后用作宾语补足语的不定式须省略to;eg. I saw him enter the hospital.拓展:see/hear/notice + sb. + doing 表示“看到、听到某人正在做某事”eg. I saw him playing basketball on the playground just now.3. 动词help 后既可接to do 也可接do;eg. Can you help me (to) clean the room?4. You’d better 后接不带to 的不定式;eg. You’d better do your homework first.5. 特殊疑问词+ to do【课堂练习】一、用所给动词的适当形式填空。

冀教版初中英语八年级动词不定式(讲解+练习)(1)

冀教版初中英语八年级动词不定式(讲解+练习)(1)

动词不定式1. 动词不定式位置:(1)动词不定式作表语To lose is to learn. 失败就是学习。

Ψ表语表语是谓语的一部分,它位于系动词如be之后,说明主语身份,特征,属性或状态。

一般由名词,代词,形容词,副词,不定式,介词短语等充当。

I am a teacher.(2)动词不定式作主语It is better to give than to take. 给予比接受更好。

Ψ主语主语表示句子主要说明的人或事物,一般由名词,代词,数词,不定式等充当。

He likes watch TV.(3)不定式作宾语Expect to be treated as you have treated others.你怎样待别人,就指望别人怎样待你。

Ψ宾语宾语表示动作行为的对象,跟在及物动词之后。

能作宾语的有名词,代词,数词,动词不定式等。

We all like play basketball.√.I’ve worked with children before, so I know what ________ in my new job.A. expectedB. to expectC. to be expectingD. expects(4)不定式作宾补Adversity causes some men to break,others to break records.逆境使一些人崩溃,也使一些人破记录。

Ψ宾补就是宾语补足语,就是补充说明宾语的。

I know you are a student good at maths.(在这个句子中,good at maths 就是补语) I know you are a student who is good at maths.(宾语补语也可以是句子)I see you crossing the street.(还可以是-ing 形式)√. I saw him _______ out of the room.A. goB. had goneC. has goneD. goes(5)不定式作定语There is a time to talk and a time to act.该说的时候说,该做的时候做。

动词不定式用法解析及练习题

动词不定式用法解析及练习题

动词不定式用法解析及练习题动词不定式在中学英语中应用非常广泛,一方面在句中可起名词、形容词或副词的作用,同时也可在句中作主语、宾语、定语、状语和宾语补足语。

动词不定式的形式一般是to +动词原形,但to有时要省去。

而动词不定式在具体运用时用不用to,取决于谓语动词的用法。

现就以下几方面介绍如下。

一、不定式结构1. 带to的不定式结构能直接跟带to的不定式结构的动词主要有:want, ask, tell, hope, learn, try, decide, forget, remember, like, love, stop, go, come等。

如:I want to go to the movies with you. 我想跟你一起去看电影。

Don’t forget to turn off the light before you leave. 在你离开之前别忘了关灯。

注意:动词不定式的否定形式是在不定式前直接加not,即not to do sth.。

如:Dave told me not to wake up Kate. 大卫告诉我别叫醒凯特。

2. 不带to的不定式结构以下几种情况使用不带to的动词不定式:(1)在固定词组had better之后。

注意:had better的否定形式是had better not do sth.。

如:You had better go home now. 你最好现在回家。

It’s cold outside. You’d better not go out. 外面很冷,你最好不要出去。

(2)在let, make, see, feel, watch, hear等感官或使役动词后,要跟不带to的动词不定式作宾语补足语。

如:I made them give me the money back. 我迫使他们把钱还给我。

I didn’t see you come in. 我没看见你进来。

动词不定式用法与专项练习

动词不定式用法与专项练习

word格式-可编辑-感谢下载支持动词不定式: to+do (高二2016.2)动词不定式由“to + 动词原形”组成,是动词的一种非谓语形式。

动词不定式在句中可充当主语、表语、宾语、定语、状语、宾补、主补。

1. 动词不定式在句中的语法功能:(1)动词不定式(短语)作主语To love is to be loved. 爱别人就是被人爱。

To teach is to give. 教书就是奉献。

*to do和v-ing作主语时的区别:Smoking is a bad habit. (v-ing作主语表示习惯性动作)To stay home on such a cold night is comfortable. (动词不定式作主语表示偶然性或一次性的动作)*不定式作主语和目的状语时的区别。

例如:To get up early does good to one’s health.早起对身体有好处。

(作主语)To get up early, one must go to bed early.为了早起,必须早睡。

(作目的状语)(2) 动词不定式(短语)作宾语I will leave it to you to make the final decision. 我将由你来做最后的决定。

(it作形式宾语)She decided to quit her job at last. 最后,她决定辞职。

*"疑问词+ 动词不定式短语"作宾语:I don't know what to do. 我不知道该怎么办。

The children are learning how to play the game. 孩子们在学做游戏。

例如(NMET2000):I’ve worked with children before, so I know what ____ in my new job.A. expectedB. to expectC. to be expectingD. expects (答案:B)(what to expect在句中作know的宾语,而what作不定式to expect的逻辑宾语。

(完整版)动词不定式用法

(完整版)动词不定式用法

动词不定式用法不定式是动词的一种非限定式,它是不受主语的单复数、人称、时态、语态等的限定及影响的一种动词形式。

一、动词不定式的基本结构动词不定式的基本形式为:to+动词原形,有时可不带to。

不定式的否定形式是:not to+动词原形。

在句中除不能作谓语外,其他成分都可作。

如:主语、表语、宾语、宾语补足语、定语和状语等。

注意:不定式之前的to(又称为小品词)与介词to的功能不同。

介词to之后要接名词或代词的宾格,或相当于名词的短语作它的宾语;而不定式符号to的后面需要跟动词原形。

speak to him (to 是介词) 对他讲话to speak English (to 是不定式的小品词) 讲英语二、动词不定式的用法不定式在句中有各种作用,一般可归类为三种基本用法:作名词,作形容词,作副词。

(一) 不定式作名词的用法不定式起名词作用,在句子中担当主语、表语、宾语和宾语补足语。

⒈作主语名词用法的不定式和名词一样,可担任句子的主语。

To grow more trees here is very important.(=It is very important to grow more trees here.) 在这里多种些树是非常重要的。

To hear your voice is so nice.(=It is so nice to hear your voice.) 听到你的声音真高兴。

To speak English well is not easy for me.(=It is not easy for me to speak English.) 把英语说好对我来说并不容易。

To walk to school takes me twenty minutes.(=It takes me twenty minutes to walk to school.) 步行到学校我要花20分钟。

的句型中,it是形式主语,真正的主语是不定式;使用这种注意:在It is… to…”结构,可以避免句子的头重脚轻。

中考英语动词不定式及其用法讲解+练习

中考英语动词不定式及其用法讲解+练习

中考英语动词不定式及其用法讲解+练习1.动词不定式的基本概念:动词不定式的基本形式是“to+动词原形”,有时可以不带to。

动词不定式没有人称和数的变化,在句中不能做谓语,但可以有自己的宾语和状语。

动词不定式跟它的宾语和状语构成了不定式短语,例如:to read the book, to speak at the meeting等。

2.动词不定式的用法:动词不定式具有名词,形容词和副词的特性,因此可在句中作主语,表语,宾语,宾语补足语,状语和定语。

句子用法:作主语:eg:1)To take part in sports is important.2)To see is to believe.动词不定式做主语时常常由it来代替它,做形式主语,而动词不定式放在句末。

eg: It’s great to see you again.It is important to learn English well.It was rewarding to take part in this exchange programmeIt will take us a month to go on study trip to New York.It is necessary for governments to control the population growth.做表语:eg:The best way is to pratice.My dream is either to be a diplomat or to be a teacher of English .A popular use of the computer is to send a e-mail.Her wish is to become a famous star.The best way is to read the play before you see it.做宾语:eg: We are talking about how to solve the problem.I think it not difficult to keep reading English every morning.做宾补:eg: We all expect him to win the contest.Our teacher told us to listen carefully in class.注意:感官动词,或使役动词+宾语+无to的不定式Is Jack in the library ?Maybe I saw him go out with some books just now.Let those in need understand that we will go all out to help them.做定语:Liu Yang is the Chinese woman astronaut to enter the space.You are the last one to win the price.In the future , human will have less work to do.Why don’t you go out to play Rose?I’m afraid I can’t . I have a lot of homework to do.做状语:动词不定式做状语可以修饰动词,一般在句中做原因,目的和结果状语,动词不定式做状语可单独放在句首,句中或句末。

初二英语动词不定式用法小结及练习

初二英语动词不定式用法小结及练习

初二英语动词不定式用法小结动词不定式是动词的一种特殊形式,它没有人称和数的变化,在句子中不能做谓语;它由“to+动词原形”构成,其否定形式是“not to+ 动词原形”. 在句子中可作主语、表语、宾语、宾语补足语、定语和状语等句子成分。

为使同学们更好地掌握其用法,现总结如下:一、动词不定式作主语动词不定式作主语,例如T o think of the animals in danger is sad .为避免句子的头重脚轻,常用it作为形式主语,而真正的主语动词不定式后置,如It is sad to think of the animals in danger . 常用句型:It +be+adj./n to do sth./It takes sb. some time to do sth.二、动词不定式作宾语一些动词,如want, decide, hope, ask, agree, choose, learn, plan, need, teach, prepare,等,常接动词不定式作宾语。

应注意有些动词后面可接不定式作宾语,也可接动名词作宾语,但所表达的意义不同。

常见的有:(1)stop to do sth.停下来去做另一件事;stop doing sth. .停止正在做的事(2)try to do sth. 尽力做某事;try doing sth.尝试做某事(3)remember/forget to do sth.记住/忘记去做某事;remember/forget doing sth. 记得/忘记做过某事。

下列动词(enjoy finish keep mind practice spend advise suggest allow)后面不能用不定式,用动名词作宾语三、动词不定式作宾语补足语有些动词,如tell, ask, want, invite, teach, like, call等可接带to的动词不定式作宾语补足语,构成tell/ask/want /call/invite sb. to do sth.结构。

动词不定式练习题及讲解

动词不定式练习题及讲解

动词不定式用法要点讲解一、作主语动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种:(1)把不定式置于句首。

如:To get there by bike will take us half an hour.(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中。

如:①It+be+名词+to doIt's our duty to take good care of the old.②It takes sb+some time+to doHow long did it take you to finish the work?③It+be+形容词+for sb+to doIt is difficult for us to finish writing the composition a quarter of an hour.④It+be+形容词+of sb+to doIt is stupid of you to write down everything the teacher says.⑤It seems(appears)+形容词+to doIt seemed impossible to save money.二、作宾语⒈不定式作宾语①以下动词后,只能跟不定式作宾语。

如:agree,ask,aim,arrange,choose,decide,demand,expect,fail ,help,hope,lean,longmanage,offer,plan,prepare,pretend,promise,refuse,wish等,这些词大部分可接th at引导的从句。

如:When our visit to the farm was over, we expected to start back on foot.When our visit to the farm was over, we expected that we would start back on foot.②当复合宾语中的宾语是不定式时,先用形式宾语it代替不定式,把不定式置于补语之后,即:主语+动词+it+补语+to do句式。

(完整版)初中英语八年级动词不定式与动名词专项练习

(完整版)初中英语八年级动词不定式与动名词专项练习

(完整版)初中英语⼋年级动词不定式与动名词专项练习初中英语⼋年级动词不定式与动名词专项练习⼀、动词不定式的⽤法1)作主语To learn English well is not easy. 或It is not easy to learn English well.2)作表My wish is to become a teacher.3)作宾语Most of us like to watch football matches.4)作宾语补⾜语He told me to be here on time.5)作定语I have nothing to say about that thing.6)作状语He stopped to have a look.否定形式:not + to + 动词原形构成例如:He asked me not to make such a mistake. 2、动词不定式与疑问词连⽤:例如:(1) He doesn’t know how to use the mach ine. (不定式作宾语)(2) How to use the machine is a question. (不定式作主语)(3) The question is when to go there. (不定式作表语)3、省to 的动词不定式1)使役动词let, have, make:2)感官动词see, watch, look at, notice, hear, listen to, smell, feel, find 等后作宾补,省略to。

3)would rather,had better + do4、不定式的特殊句型:1)too…to…:太…⽽不能…He is too excited to speak.2)enough to do:⾜以做…The child is old enough to go to schooll3)Why not +动词原形"表达向某⼈提出建议Why not take a holiday?4)so as (not) to do: 表⽰⽬的Go in quietly so as not to wake the baby. ⼆、动词的-ing形式:1.动词的-ing形式⽤作动名词:1)动名词作主语Walking is good exercise. ⾛路是很好的运动2)动名词作表语My favorite sport is swimming. 我最喜欢的运动是游泳。

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动词不定式用法及练习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。

构成:to do .否定式not to do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)It is very kind of you to help me.It’s not polite of him to speak to old people like that.It is + adj. + for sb. to do…≠ sb. is\are +adj. +to do…如果要说明不定式表示的动作是谁做的,则在不定式前加一个for引起的短语,即不定式的逻辑主语。

It is necessary for us to study hard.It is easy for him to speak English.2、作句子的表语:不定式放在be 动词后面,用作表语如:Her dream is to be a policeman.My job is to help the patient.Your task is to clean the classroom.My dream is to own a robot.The doctor’s suggestion is to take more exercise.The best way is to talk to your parents.His plan is to travel to Beijing this summer.My purpose is to help you solve this problem.3、作句子的宾语:不定式放在及物动词后,用作宾语。

能跟不定式作宾语的动词(及物)很多,常见的有want, like, hate, wish, hope, prefer, try, ask, start, begin, decide, learn, choose, agree, expect, remember, forget, plan, decide, would like, need, choose, agree, promise, refuse, set out, manage, pretend,I want to go home.The workers demanded to get better pay.They began to read and write.She forgot to close the door.He wanted to borrow my CD player.I hope to speak English well.The workers demanded to get better pay.I hope to hear from you soon.John doesn’t want to be the host of the charity show.They are trying to solve the problem by himself.Millions of people have learned to use computers.有些动词既可跟不定式作宾语,也可跟动名词作宾语,但含义不同:forget to do sth.忘记要做某事forget doing sth.忘记曾经做过某事stop to do sth. 停下来去做某事stop doing sth.停止做某事go on to do sth.继续做另一件事go on doing sth.继续做原来在做的事need to do sth.需要做某事need doing sth. 需要被做Don’t forge to turn off the lights before leaving.Father must stop smoking.This bike needs repairing/mending.注意1:动词不定式作宾语时如带有宾语补足语,则要把不定式放在后面,用it作形式主语,构成“主语+动词+it+宾补(形容词、名词)+不定式”结构I found it necessary to talk to him again.I found it important to learn English.I fond it difficult to learn physics.注意2:常用带to的动词不定式作宾语补足语的动词有want, ask, tell, order, get, wish, allow, invite, teach, encourage, beg, 等。

构成“vt,+sb.+(not)to do sth.”结构。

The teacher told us to read the text.He asked me not to tell you the news.His parents didn’t allow him to play.I expect you to give me some help.Mr.Lu asks ue to hand in our homework on time.The docter advised Mr. Green to drink more water.Mr. Wu tells the students not to shout in class.Mrs. Read whishes her son to learn English well.注意3:不定式作宾补省去to 的情况(在被动语态中则to 不能省掉)常用省去to的动词不定式作补足语的动词有:“一感(feel)、二听(hear, listen to)、三让(make, let, have)、五看(look at, see, watch, notice, observe)”help 可带to,也可不带to help sb (to) do sthI made him to do his work. .----------------------------make sb.do sth.Please listen to me to sing this song again.-------------------listen to sb.do sth.I felt someone to open my door.--------------------------------fell sb.do sth.The boss made the girl to work ten hour a day.-------------make sb.do sth.You must watch me to do everything--------------------------watch sb.do sth.Internet bars mustn’t let anybody watch bad things, especially children.-------let sb.do sth.He often helps (to) clean the room.Mr. Zhang always helps us (to) learn English.被动语to要加上He was made to do his work (by me)They are made to work for 12 hours a day.He was heard to speak in the next room.John was made to wash the car for a week as a punishment.The patient was warned not to eat food after the operation.Internet bars mustn’t let anybody watch bad things, especially children.4、作句子的定语:不定式作定语时,应放在被修饰词的后面作后置定语。

如果不定式中的动词是不及物动词,则不定式中要有介词.I want to get something to read during the holiday.We have a lot work to do .She is the first person to think of the idea.I have something interesting to tell you.He is looking for a room to live in .--------------------------------------live是不及物动词There is nothing for us to worry about.----------------------------------worry是不及物动词Mr Wu is always the first to come and the last to leave.There is no need to trouble him. 没有必要去烦他Have you got anything important to tell me? 重要的事情去告诉我I’ve got nothing to worry about. 没有什么去担心I’m thirsty. Give me something to drink.给我些东西去喝Spring is the best season to plant trees. 春季是最好的季节去种树We all have a chance to go to college. 我们都有机会去上大学5、作句子的状语:动词不定式位于不及物动词之后作状语,可作目的、结果、原因状语。

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