英语语法动词不定式优秀课件
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动词不定式(12张PPT)初中英语专项复习课件
She wants to play the piano. 她想弹钢琴。
Jim told me not to wake up Kate. 吉姆告诉我不要叫醒凯特。
语法透视
考点大观 易错辨析 通关训练
动词不定式的用法
2. 不带to的不定式结构。 (1) 在固定词组had better之后。注意：had better
—Mary is very generous. —Yes, she gave away all her money she owned
____ people in need. A. to help B. to helping C. helped D. helping
【解析】本句话意为“玛丽真是太慷慨了。是的， 她把她所有的钱都捐给了缺钱的人们”。表目的 用动词不定式，所以答案选A。
动词不定式的结构： to + 动词原形
语法透视
动词不定式的用法
考点大观 易错辨析 通关训练
1. 省to的不定式结构 (1) 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等。 (2) 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。
语法透视
动词不定式的用法
考点大观
3. 动词不定式作主语。动词不定式作主语可以放在 后面，而用it作形式主语放在原主语的位置上。
易错辨析 通关训练
To master a language is not an easy thing. 掌握一门语言不是一件容易的事情。
初中英语语法课件-非谓语动词之动词不定式的用法
“疑问词＋不定式”作宾语可转换为宾语从句。 Can you tell me where to get the book？ ＝Can you tell me where I can get the book? 你能告诉我哪里能得到这本书吗？
THE END
一些感官动词和使役动词要用不带to的动词不定式 作宾语补足语：这些动词有 一感(feel) 二听(hear, listen to) 三让(let, make, have) 四看(look at, see, watch, notice) 注： 变被动语态时必须加上to
5. 作定语
动词不定式作定语时，应放在所修饰词的 后面，它与被修饰词有逻辑上的动宾关系。 I have a lot of homework to do. 我有许多家庭作业要做。
动词不定式具有动词的特点，可以有自己的宾语和状 语，但它没有人称与数的变化，在句中也不能作谓语 ，动词不定式和自己的宾语或状语构成不定式短语。
My father asked me not to read in bed. 我爸爸告诉我不要在床上读书。 My job is to drive them to school every day. 我的工作是每天开车把他们送去学校。
初中英语语法
非谓语动词之 动词不定式
作为非谓语动词的一种，动词不定式 是我们英语学习中的重点以及难点！
动词不定式的构成 动词不定式由“to+ 动词原形”构成，如： to study, to play，to eat 动词不定式虽然不能作谓语动词用，但仍保留着 动词的特征，它可以带有所需要的宾语或状语而 构成动词不定式短语，如： to study hard, to play table tennis
高中英语语法动词不定式课件
不定式的时态意义
d. 在should(would) like 或 should(would)have like后用不定式完成 式表示没有实现的愿望
• I should like to have gone with her. 我多么愿意和她一起去。
• I would like to have seen her face when she read the letter. 我真想见到她读信时的表情。
promised, planned, wished, thought, desired, was, were等词后，不定式的完成 式表示未曾实现的愿望、期待、想法、打
算或计划等
• to have + 过去分词 表示动作
• to have been
表示状态
• I meant to have done the work before
• I don’t know where to get the ticket.(= … where I could get the ticket.)
• She opened the door for the children to come in.(= … so that the children might come in)
• What is to be done next?
意义上被动形式上主动的不定式
① 在“there be+主语”中，不定式用作定语修 饰名词或代词，并同所修饰的名词或代词 是逻辑上的动宾关系
• There is no time to lose. 一点时间也不能浪费了。
• There are a lot of clothes to wash. • There is nothing to do at the moment.
中考英语语法动词不定式精讲课件(22张)
的
decide sb. to do sth. encourage sb. to do sth.
黑
help sb. do sth.
胖
plan sb. to do sth./promise sb. to do sth.
娃
want sb. to do sth. ask sb. to do sth.
娃
would like sb. to do
like/love to do (一次性的动作)
She likes to swim.
like/love doing (习惯/经常性的动作)
stop/go on 两件事情
stop to do (停下当下做的事去做另一件事情)
I'm tired. Let's stop to have a rest.
stop doing (停止正在做的事情)
表语：系动词之后，表明主语性质、状态、身份…
动词不定式可以放在be动词后作表语
作
表
My work is to clean the room every day.
语
2
decide 决定； expect期望；forget忘记； fail 失败； try尽力 prefer 更喜欢...... 作
宾
语
I hope to have a party tomorrow.
作
宾
补
Tina told her sister to turn down the TV.
5
tell sb. to do sth.
宾语补足语：用来说明宾语的性质，身份，特征和行为等情况。。
常考动词不定式作宾语补足语：
她
tell sb. to do sth./It takes sb. to do sth.
高中英语动词不定式的用法---完整版课件
巩固练习
1. Several of these washes and dryers are out of order and__D____.
A.need to be repairing B. repairing is required of them C. require that they be repaired. D. need to be repaired. 解析：and并列谓语动词， need to be repaired相当 于need repairing.
动词不定式
1.作主语 2.作宾语
1. 动词不定式 的用法
3.作定语 4.作表语 5.作宾补
6.作状语
2.动词不定式的时态和语态
3.
1. 动词不定式作主语 动词不定式作主语，谓语动词用第三
人称单数。
To get there by car will take a whole day.
How to get enough money is still a question.
2.— I wish you had brought your family with you.
— I’ll get them ___B____ next time.
A. coming
B. to come
C. come
D. have come
解析：使役动词get后跟带to的动词不定 式作宾补，let，make, have后跟省to的 动词不定式作宾补。
What I would suggest is to start work at once.
注：在某些句型中，当主语部分有动作 动词do 时，作表语的不定式可以省略符 号 “to”，如：
《动词不定式》课件
动词不定式作定语时，表示目的、 原因等意义
动词不定式的时态和语态
第四章
时态形式及用法
一般式：不定式的一般形式为to do，表示动作的一般情况
进行式：不定式的进行式为to be doing，表示动作正在进行
完成式：不定式的完成式为to have done，表示动作已经完成 完成进行式：不定式的完成进行式为to have been doing，表示动作 已经完成且一直持续到现在
常见问题解析
第六章
易混淆点解析
不定式作宾语与动名词作宾语的混淆 不定式作定语与动名词作定语的混淆 不定式作主语与动名词作主语的混淆 不定式作表语与动名词作表语的混淆
常见错误解析
不定式作为宾语补足语时， 动词后面缺少必要的介词
不定式作为主语或宾语时， 动词后面缺少必要的介词
不定式作为状语时，动词后 面缺少必要的介词
不定式作为定语时，动词后 面缺少必要的介词
练习与巩固
第七章
单项选择题
动词不定式作宾语时，其逻辑主语必须是句子的主语。 A. 对 B. 错 答案：A. 对
A. 对 B. 错
动 答 案 ：词A . 对 不 定 式 作 宾 语 补 足 语 时 ， 其 逻 辑 主 语 必 须 是 句 子 的 宾语。 A. 对 B. 错 答案：B. 错
A. 对 B. 错 答案：B. 错
动词不定式作状语时，其逻辑主语必须是句子的主语。 A. 对 B. 错 答案：A. 对
A. 对 B. 错 答案：A. 对
动词不定式作定语时，其逻辑主语必须是句子的宾语。 A. 对 B. 错 答案：B. 错
A. 对 B. 错 答案：B. 错
完形填空题
题目：动词不定式完形填空 内容：提供多个含有动词不定式的句子，要求学生在句子中填写正确的动词不定式形式 目的：帮助学生掌握动词不定式的用法和形式，提高语言运用能力 难度：根据学生水平设置不同难度的题目，包括简单、中等和困难等级别
高中语法——动词不定式(54张PPT)
不定式作状语的作用
1. He spoke loudly (so as / in order) to be heard. 表示目的
2. He was so foolish as to believe it. = He was such a fool as to believe it. = He was foolish enough to believe it.
The definition of infinitive
不定式由“to + do (动词原形)”构成, 其 否定形式是“not to do”, 不定式可以带 宾语或状语构成不定式短语, 没有人称和 数的变化, 但有时态和语态的变化。
1. 主语 (subject) 2. 表语 (predicative) 3. 宾语 (object) 4. 宾补 (object complement) 5. 定语 (attribute) 6. 状语 (adverbial) 7. 独立结构 (absolute construction)
形式 一般式 进行式
主动
to do to be doing
完成式 to have done
完成进 to have been 行式 doing
被动
to be done
to have been done
I am glad to see you. He has decided to give her some money. 表示的动作通常与谓语所表示的动作 或状态同时或者几乎同时发生，或是 在它之后发生。
4. 不定式作宾补 (object complement) My mum asks me to play the piano two hours every day.
高考英语动词不定式精讲解课件(共34张PPT)
B. 做结果状语,常与副词only, enough 或too连用。 only to do “不料(却)……,结果(却)……", 表示 一个没有料到的结果
He studied hard only to fail the exam. The road is too dangerous to cross.
请告诉你的小孩不要在街上玩耍。
Please tell your child not to play in the street.
她检查名字为了不犯错误。
She checked the names so as not to make mistakes.
三、时态和语态
一般式 进行式 完成式
主动形式 to do
C. 不定式做原因状语, 一般用在句尾 I’m glad to see you. They are quite surprised to see the great changes taking place in the area.
(6). 做宾语补足语
A. 常带to的不定式做宾语补足语的动词有: ask,
allow, require, advise, permit, expect, get,
forbid, invite, persuade, urge, order, force, cause, encourage等
结构: ask / allow sb. to do sth./ sth. to be done
5. “Have you decided when _A____?” “Yes,
4. T__o_m__a_k_e_(make) things worse, my car was held up by the traffic accident.
He studied hard only to fail the exam. The road is too dangerous to cross.
请告诉你的小孩不要在街上玩耍。
Please tell your child not to play in the street.
她检查名字为了不犯错误。
She checked the names so as not to make mistakes.
三、时态和语态
一般式 进行式 完成式
主动形式 to do
C. 不定式做原因状语, 一般用在句尾 I’m glad to see you. They are quite surprised to see the great changes taking place in the area.
(6). 做宾语补足语
A. 常带to的不定式做宾语补足语的动词有: ask,
allow, require, advise, permit, expect, get,
forbid, invite, persuade, urge, order, force, cause, encourage等
结构: ask / allow sb. to do sth./ sth. to be done
5. “Have you decided when _A____?” “Yes,
4. T__o_m__a_k_e_(make) things worse, my car was held up by the traffic accident.
动词不定式(47张PPT)初中英语专项复习课件
说明 作主语用的不定式，常常用it作形式主语， 而把不定式放在后面。
My work is to clean the room everyday.=To clean 多数情况下，不定式作表语，可转换作为
the room every day is my work.
主语。
—What sports does he like to play?—He likes to 只能做某些动词的宾语，一般不作介词的
prove/
tend/
offer/
expect等
款适合你
夯基·必备基础知识
① Although he pretended to surrender to the enemy , he failed to win their trust.
② I hope to finish it tomorrow .
3.see sth done 看见某事被做 重点看宾语和补语之间的逻辑关系
夯基·必备基础知识 5. 作补语
① I heard her sing an English song just now.(主动，完成)
刚才我听见她唱了一首英文歌。
② I heard her singing an English song when I passed by her room yesterday.(主
夯基·必备基础知识 3. 作表语
注意：下列情况下不定式作表语通常省略to：
All you need to do now is complete the form. 你现在要做的是把这张表填好。
What I want to do most in senior high school is improve my English.
高中英语语法 动词不定式的用法(31张PPT)
3> 不定式用在介词but, except, besides 后时,如果这些介词前有行为动词do的 各种形式,那么介词后的不定式不带to, 相反则带to.
(1). She could do nothing but cry. (2). I have no choice but to go. (3).What do you like to do besides sleep.
(5). 定语 (常常表示将来的动作)
I have something to say. He has a lot of homework to do . He is looking for a room to live in . There is nothing to worry about.
(如果不定式中的动词是不及物动词, 则不定式中要有介词.)
不定式
不定式由“to+动词原形”构成,其否定形
式是“not/never to do”,不定式没有 人__称__和__数__的变化，有时态和语态的变化。 不定式可以作主语、宾语、状语、表语和 定语，但不能单独作谓语。不定式的逻辑 主语有时用“for+名词或代词宾格”构成 。
一.结构 : to do (否定) not/never to do
(3) 宾语
I want to go home. The workers demanded to get better pay. I found it necessary to talk to him again.
think/ consider/ find it + adj.+ to do
常用动词不定式作宾语的动词有：
请给我一支写字的笔.
Please give me a pen to write with.
高中英语 语法 非谓语动词不定式的用法 课件 (共25张PPT)
alarm.
A. To sleep B. Sleeping
C. Sleep
D. Having slept
7. –You should have thanked her before you
left.
--I meant____, but when I was leaving I
couldn’t find her anywhere.
13. mrs. smith warned her daughter
____after drin .
a. never to drive b. to never drive
c. never driving
d. never drive
14. we agreed _____here but so far she
The next train to arrive is from Washington.
I want something to read.
It’s your turn to speak now.
It’s time to go to school.
1. He is lucky to get here on time. 2. Be careful not to catch a cold. 3. They started early so as to catch the
7. he is loo for a room to live in. 8. i study hard to serve the people well. 9. in order not to be late she took a bus.
常见带形式主语it的句型： 1. It is easy ( difficult, important, possible, necessary, good, kind, wise, foolish…) to do sth. 2. It is a pleasure (pity, crime, an honor…) to do sth. 3. It takes (sb.) some time to do sth.
高考英语语法备考《动词不定式》ppt课件
• 4.作定语 • a.Manager,do you have anything to be typed ? • b.As a typist ,do you have anything to type now ? • c.I am free now .Do you have anything to type ? • d.Please give me an apple to eat . • e.They will make some candles to give light. • f.Have you anything to send？（自己寄） • g.Have you anything to be sent?( 别人寄）
3)名词是抽象名词，用不定式作定语 ，常见的有： ability,chance,idea,excuse， reply,belief,reason,attempt等。 a.He has the ability to read and write. b.I have no chance to go to college. 请大家自己想些例句。Who?
注意：不定式放句首时，逻辑主语与句子 主语要一致（常翻译成“为了”）
wrong：To save money, every means has been tried. right：To save money, he has tried every means.
②表结果：
• He arrived late to find the train gone. • 常用only放在不定式前表示强调： • eg.a.I visited him only to find him out. b. A few years later he came home only to find his home town changed. c.I hurried to the post office, only to find it was closed.
九年级英语语法讲座动词不定式PPT教学课件
Your mistake was not to write that letter.
My suggestion is to start work at once. What I would suggest is to start work at once.
注：在某些句型中，当主语部分有 动作动词do 时，作表语的不定式可 以省略符号 “to”，如：
for sb. 常用于表示事物的特征特 点，表示客观形式的形容词，如
easy, hard, difficult, interesting, impossible等：
It‘s very hard for him to study two languages. 对他来 说学两门外语是很难的。
of sb的句型一般用表示人物的性 格，品德，表示主观感情或态度 的形容词，如good, kind, nice, clever, foolish, right。
2．主语是以aim, duty, hope, idea, intention, mistake, plan, proposal, job, suggestion 等为中心词的名词词组，或以 what 引导的名词性从句表示，后面的不定 式说明主语内容，如：
My idea is to climb the mountain from the north.
高中英语语法讲座⑩
动词不定式
不定式结构作主语
To see one time is better than to hear a hundred times. 注①：在很多情况下，特别是在口语中，常 采用先行it代替主语，而把不定式后置：
It’s a great pleasure to be here. It is not an easy thing to master a language.
My suggestion is to start work at once. What I would suggest is to start work at once.
注：在某些句型中，当主语部分有 动作动词do 时，作表语的不定式可 以省略符号 “to”，如：
for sb. 常用于表示事物的特征特 点，表示客观形式的形容词，如
easy, hard, difficult, interesting, impossible等：
It‘s very hard for him to study two languages. 对他来 说学两门外语是很难的。
of sb的句型一般用表示人物的性 格，品德，表示主观感情或态度 的形容词，如good, kind, nice, clever, foolish, right。
2．主语是以aim, duty, hope, idea, intention, mistake, plan, proposal, job, suggestion 等为中心词的名词词组，或以 what 引导的名词性从句表示，后面的不定 式说明主语内容，如：
My idea is to climb the mountain from the north.
高中英语语法讲座⑩
动词不定式
不定式结构作主语
To see one time is better than to hear a hundred times. 注①：在很多情况下，特别是在口语中，常 采用先行it代替主语，而把不定式后置：
It’s a great pleasure to be here. It is not an easy thing to master a language.
初中英语语法动词不定式用法归纳课件ppt
·She has no paper to write on? 她没有纸写字？
·The best way to learn English is to use it. 学英语最好的方法是使用 它。
·When is the best time to plant vegetables?什么时候是种植蔬菜的最 好时间？
可省可不省的：help sb. （to）do sth.
I often help my mother （to）do housework. 我经常帮妈妈做家务
5 作定语
动词不定式作定语常用来修饰名词或不定代词，放于所修饰的词后，为后 置定语。
·Who was the first one to arrive? 谁第一个到的？
语很有趣。
·He found it hard to catch up with others.他觉得赶上别人很困难。
4 作宾语补足语
动词不定式作宾语补足语，表示宾语所做的动作
不可以省to的不定式作宾语补足语： tell /ask / want / would like / wish / like / invite /encourage /teach sb. to do sth.
动词不定式（短语）作定语修饰名词时，与其所修饰的词具有一种动宾关系，如果不定 式中的动词为不及物动词时，其后应加上一个含义上所需要的介词。
·I have no chair to sit on.我没有椅子坐。 ·He has no house to live in.他没的状语常用在go, come, hurry等不及物动词后，表目的。
去野餐好吗？
【特殊】
1.如果and连接两个动词不定式，第二个动词不定式一般省“to”。 ·He wants to go and have a swim with us. 他想和我们一起去游泳。
·The best way to learn English is to use it. 学英语最好的方法是使用 它。
·When is the best time to plant vegetables?什么时候是种植蔬菜的最 好时间？
可省可不省的：help sb. （to）do sth.
I often help my mother （to）do housework. 我经常帮妈妈做家务
5 作定语
动词不定式作定语常用来修饰名词或不定代词，放于所修饰的词后，为后 置定语。
·Who was the first one to arrive? 谁第一个到的？
语很有趣。
·He found it hard to catch up with others.他觉得赶上别人很困难。
4 作宾语补足语
动词不定式作宾语补足语，表示宾语所做的动作
不可以省to的不定式作宾语补足语： tell /ask / want / would like / wish / like / invite /encourage /teach sb. to do sth.
动词不定式（短语）作定语修饰名词时，与其所修饰的词具有一种动宾关系，如果不定 式中的动词为不及物动词时，其后应加上一个含义上所需要的介词。
·I have no chair to sit on.我没有椅子坐。 ·He has no house to live in.他没的状语常用在go, come, hurry等不及物动词后，表目的。
去野餐好吗？
【特殊】
1.如果and连接两个动词不定式，第二个动词不定式一般省“to”。 ·He wants to go and have a swim with us. 他想和我们一起去游泳。
动词不定式》1精ppt课件
4、Please tell her _t_o_c_o_m__e__here on time .
(come / to come) 精选ppt课件
16
5、I’ll help you (_t_o_)_s_o_l_v_e_this problem. (to solve /solve )
6、 I wish you will stay with us.(改成简单句）
for: adj. 多 为 描 述 不 定 式 行 为 的 特 征 （important/ necessary / interesting 等.）
of: adj. 多为 描述主语的品质特征 （kind / nice / friendly / wise / foolish 等.）
It is easy __fo_r____ her to learn English well.
table. (buy)
4、It is my pleasure _t_o__c_a_r_r_y_ the box for you.
(carry)
精选ppt课件
8
练习
5、轮到我们打扫教室了。
It is our turn__to__c_l_e_a_n__th__e_c_l_a_s_s_r_o_o_m__. __
It is clever ___o_f ____ you to solve the pro作主语
2、It takes sb. some time to do sth.
我每天花去三个小时完成家庭作业。 It takes me three hours to finish the homework every day. I spend three hours finishing the homework every day.
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（1）不定式所修饰的名词与不定式在逻辑上构成主谓 关系时，不定式用主动语态。
你有开门的钥匙吗？ key unlock the door Have you got a key to unlock the door?
（2） 不定式的逻辑主语是这个不定式动作的承 受者，不定式用被动语态
He asked to be sent to work in countryside.
• 作主语 • 作宾语 • 做补语 • 做表语 • 做定语 • 做状语
不定式的语法功能
（1） 作主语
To talk with him is a great pleasure.
一般情况下，不定式（短语） 作主语时， 通 常用形式主语“it” 代替
It is a great pleasure to talk with him.
注意
*1、动词不定式作主语时，谓语动词用 第三人称单数形式。例如
To get there by car takes a whole day.
To make a plan for our future is important.
• It 做形式主语，不定式作逻辑主语时一般有 介词for, of等引导；
英语语法动词不定式优秀课件
非限定动词？
• 非限定动词又叫非谓语动词，包括不定式、分 词和动名词。
• 非限定动词和限定动词的区别 不同点：前者不能单独作谓语；不受主语人称 和数量的限制；而限定动词的形式要和主语 人和数一致。如；She likes to dance. They like to dance. 可以起名词、形容词、副词的作用。如： To see is to believe. The man sitting by her is my teacher. Seeing the teacher entering the room, I stood up.
• It is very kind of you to say this.
• It is very rude of you to do this.
翻译：
• 你这样子对待女孩子是很粗鲁的。
• It is very rude of you to do this to the girls.
• It is very rude of you to treat girls like this.
• It is easy for me to do that.
• It is very hard for him to study two languages.
• 当用it is +adj+ of sb. To do sth 一般表示人 物的品行和行为特征，it’s 后面多用表示主 观情感和态度的形容词；
• 完成进行时：表示句子的主要谓语动词所 表示的动作发生时，不定式表示的动作正 在进行，不定式的动作从过去某个时段发 生一直持续到现在；
• She is known to have been working in our company for more than twenty years.
不定式的语态
• He seems to know this. • I hope to see you again.
• 进行时：表示正在发生的动作，与谓语动 词表示的动作同时发生；
• He seems to be eating something.
• 完成时：表示动作发生在谓语动词之前 • I am sorry to have given you so much trouble. • He seems to have caught a cold.
不定式的否定形式
• 动词不定时的否定形式是在不定式符号前 加not
• The teacher warned the students not to cheat in the examinations.
• She pretended not to see me when I passed by.
不定式的基本用法：
• 相似点： 1. 都可以带宾语。如； • He bought a computer. • He wanted to buy a computer. 2. 都可以由状语修饰。如； • He studies very hard in the college. • Studying hard, you will pass the exam.
不定式
• 不定式的概述 • 不定式的基本用法 • 不定式的特殊句型
不定式
不定式是非谓语动词的一种，由“to+动 词原形”(to do)构成,动词不定式有动词 和名词的特征。不定式可以作主语、宾语 、状语、表语和定语等成分，但不能单独 作谓语。
• 2不定式的时态和语态
不定式的时态
• 现在时：不定式的一般现在时表示的动作 ，有时与谓语动词表示的动作同时发生， 有时发生在谓语动词之后；
3. 都有语态和时态的变化。如： He has finished his homework.（完成式）
Having finished his homework, he went out. The overpass will be built there.（被动）
The hospital being built will be completed next month.
辨析：
• It is +adj of sb. To do sth •ห้องสมุดไป่ตู้It is +adj for sb. To do sth
• It is nice___ you. • It is hard___ you.
• 用介词后面的代词作主语，介词之前的形容词 作表语，如果能组成句子就用of,否则就用for.
（2） 作宾语 Would you like to watch TV?
不定式作宾语的动词常见的有：want, hope, wish, ask, choose, decide, manage, offer, promise, refuse, seek, pretend, learn, afford, need…
你有开门的钥匙吗？ key unlock the door Have you got a key to unlock the door?
（2） 不定式的逻辑主语是这个不定式动作的承 受者，不定式用被动语态
He asked to be sent to work in countryside.
• 作主语 • 作宾语 • 做补语 • 做表语 • 做定语 • 做状语
不定式的语法功能
（1） 作主语
To talk with him is a great pleasure.
一般情况下，不定式（短语） 作主语时， 通 常用形式主语“it” 代替
It is a great pleasure to talk with him.
注意
*1、动词不定式作主语时，谓语动词用 第三人称单数形式。例如
To get there by car takes a whole day.
To make a plan for our future is important.
• It 做形式主语，不定式作逻辑主语时一般有 介词for, of等引导；
英语语法动词不定式优秀课件
非限定动词？
• 非限定动词又叫非谓语动词，包括不定式、分 词和动名词。
• 非限定动词和限定动词的区别 不同点：前者不能单独作谓语；不受主语人称 和数量的限制；而限定动词的形式要和主语 人和数一致。如；She likes to dance. They like to dance. 可以起名词、形容词、副词的作用。如： To see is to believe. The man sitting by her is my teacher. Seeing the teacher entering the room, I stood up.
• It is very kind of you to say this.
• It is very rude of you to do this.
翻译：
• 你这样子对待女孩子是很粗鲁的。
• It is very rude of you to do this to the girls.
• It is very rude of you to treat girls like this.
• It is easy for me to do that.
• It is very hard for him to study two languages.
• 当用it is +adj+ of sb. To do sth 一般表示人 物的品行和行为特征，it’s 后面多用表示主 观情感和态度的形容词；
• 完成进行时：表示句子的主要谓语动词所 表示的动作发生时，不定式表示的动作正 在进行，不定式的动作从过去某个时段发 生一直持续到现在；
• She is known to have been working in our company for more than twenty years.
不定式的语态
• He seems to know this. • I hope to see you again.
• 进行时：表示正在发生的动作，与谓语动 词表示的动作同时发生；
• He seems to be eating something.
• 完成时：表示动作发生在谓语动词之前 • I am sorry to have given you so much trouble. • He seems to have caught a cold.
不定式的否定形式
• 动词不定时的否定形式是在不定式符号前 加not
• The teacher warned the students not to cheat in the examinations.
• She pretended not to see me when I passed by.
不定式的基本用法：
• 相似点： 1. 都可以带宾语。如； • He bought a computer. • He wanted to buy a computer. 2. 都可以由状语修饰。如； • He studies very hard in the college. • Studying hard, you will pass the exam.
不定式
• 不定式的概述 • 不定式的基本用法 • 不定式的特殊句型
不定式
不定式是非谓语动词的一种，由“to+动 词原形”(to do)构成,动词不定式有动词 和名词的特征。不定式可以作主语、宾语 、状语、表语和定语等成分，但不能单独 作谓语。
• 2不定式的时态和语态
不定式的时态
• 现在时：不定式的一般现在时表示的动作 ，有时与谓语动词表示的动作同时发生， 有时发生在谓语动词之后；
3. 都有语态和时态的变化。如： He has finished his homework.（完成式）
Having finished his homework, he went out. The overpass will be built there.（被动）
The hospital being built will be completed next month.
辨析：
• It is +adj of sb. To do sth •ห้องสมุดไป่ตู้It is +adj for sb. To do sth
• It is nice___ you. • It is hard___ you.
• 用介词后面的代词作主语，介词之前的形容词 作表语，如果能组成句子就用of,否则就用for.
（2） 作宾语 Would you like to watch TV?
不定式作宾语的动词常见的有：want, hope, wish, ask, choose, decide, manage, offer, promise, refuse, seek, pretend, learn, afford, need…