高中动词不定式详细讲解PPT课件
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高中英语动词不定式(共26张PPT)
C. the holder to use D. the holder uses
Because of the recent accident, our parents forbid my brother and me from swimming in the river unless someone agrees to watch over us.
Her husband can do everything except cook.
He wanted nothing but to stay there. 注意：如果but 或except 之前有实义动词do 的限定性
是或非限定形式，其宾语为不带to的不定式，否则为 带to的不定式。 Lots of empty bottles were found under the old man’s bed. He must have done nothing but ____ (drink） I thought you had planned to pradcrtiincekpiano today. “I did nothing but___ letters all day.”
careless,,clever,good,foolish,honest,kind,lazy,nice,right,silly, stupid,wise,等表示赞扬或批评的形容词，不定式前的 sb.可作其逻辑主语。
It is better to die on one’s feet than ____
A. to write B. write C. writing D. wrote
5、不定式（短语）做宾语补足语
在复合宾语中，动词不定式可充当宾语补 足语，如下动词常跟这种复合宾语：want, wish, ask, tell, order, beg, permit, help, advise, expect, encourage, persuade, allow, prepare, cause, force, call on, wait for, invite.，observe, intend, press, remind warn, lead, command 等， 如：
Because of the recent accident, our parents forbid my brother and me from swimming in the river unless someone agrees to watch over us.
Her husband can do everything except cook.
He wanted nothing but to stay there. 注意：如果but 或except 之前有实义动词do 的限定性
是或非限定形式，其宾语为不带to的不定式，否则为 带to的不定式。 Lots of empty bottles were found under the old man’s bed. He must have done nothing but ____ (drink） I thought you had planned to pradcrtiincekpiano today. “I did nothing but___ letters all day.”
careless,,clever,good,foolish,honest,kind,lazy,nice,right,silly, stupid,wise,等表示赞扬或批评的形容词，不定式前的 sb.可作其逻辑主语。
It is better to die on one’s feet than ____
A. to write B. write C. writing D. wrote
5、不定式（短语）做宾语补足语
在复合宾语中，动词不定式可充当宾语补 足语，如下动词常跟这种复合宾语：want, wish, ask, tell, order, beg, permit, help, advise, expect, encourage, persuade, allow, prepare, cause, force, call on, wait for, invite.，observe, intend, press, remind warn, lead, command 等， 如：
动词不定式讲解PPT课件
• 9. stop to do sth 停下来去做某事
• Stop to have a rest if you are tired
• 10. stop doing sth 停止做某事
• Although it rained heavily , the farmers didn’t stop working in the field 虽然 雨下得很大，农民们却没有停止在田间劳动
• 16. need \require doing sth 主动表被动
• The blackboard needs\requires cleaning黑板需要擦了
• 17. go on to do sth • 做完一件事后继续做另外一件不同的事 • 18. go on doing sth继续20做21 原来所做的同一件事
It's important (for us) to protect the environment.
(对我们来说)保护环境是很重要的。
• 注：当在描述行为者的性格、品质的形容词，如：
good(好的)，kind(友善的)，nice(友好的)，polite(有礼貌的)， clever(聪明的)，foolish(愚蠢的)，lazy(懒惰的)，careful(细心
beginstartdosthbeginstartdoingsthlovehatedosthlovehatedoingsth202114practicefinishsuggestgiveupenjoymissbusymindcanthelpconsiderfeellikerememberwanttryneedforgetregrettrymeanrequirestop返回202116dosth记住要做某事youmustrememberdoorwhenyouleaverememberdoingsth记得曾做过某事rememberlockingfrontdoordosth忘记要做某事heforgotdohishomeworkyesterdayforgetdoingsth忘记曾做过某事forgotsayingdosth努力做某事hetriesanswereachquestiontrydoingsth试着做某事triedsingingenglishsong202117dosth打算做某事wemeantravelabroadnextyearmeandoingsth意味着meanswaitinghimanotherhourdosth停下来去做某事10stopdoingsth停止做某事rainedheavilyfarmersdidntstopworkingfield虽然雨下得很大农民们却没有停止在田间劳动11regretdosth对现在发生的事表示遗憾weregretinformyouyouowe我们很遗憾地通知你你欠银行100美元20211812regretdoingsth对发生过的事表示后悔heregrettedplayingcomputergames
• Stop to have a rest if you are tired
• 10. stop doing sth 停止做某事
• Although it rained heavily , the farmers didn’t stop working in the field 虽然 雨下得很大，农民们却没有停止在田间劳动
• 16. need \require doing sth 主动表被动
• The blackboard needs\requires cleaning黑板需要擦了
• 17. go on to do sth • 做完一件事后继续做另外一件不同的事 • 18. go on doing sth继续20做21 原来所做的同一件事
It's important (for us) to protect the environment.
(对我们来说)保护环境是很重要的。
• 注：当在描述行为者的性格、品质的形容词，如：
good(好的)，kind(友善的)，nice(友好的)，polite(有礼貌的)， clever(聪明的)，foolish(愚蠢的)，lazy(懒惰的)，careful(细心
beginstartdosthbeginstartdoingsthlovehatedosthlovehatedoingsth202114practicefinishsuggestgiveupenjoymissbusymindcanthelpconsiderfeellikerememberwanttryneedforgetregrettrymeanrequirestop返回202116dosth记住要做某事youmustrememberdoorwhenyouleaverememberdoingsth记得曾做过某事rememberlockingfrontdoordosth忘记要做某事heforgotdohishomeworkyesterdayforgetdoingsth忘记曾做过某事forgotsayingdosth努力做某事hetriesanswereachquestiontrydoingsth试着做某事triedsingingenglishsong202117dosth打算做某事wemeantravelabroadnextyearmeandoingsth意味着meanswaitinghimanotherhourdosth停下来去做某事10stopdoingsth停止做某事rainedheavilyfarmersdidntstopworkingfield虽然雨下得很大农民们却没有停止在田间劳动11regretdosth对现在发生的事表示遗憾weregretinformyouyouowe我们很遗憾地通知你你欠银行100美元20211812regretdoingsth对发生过的事表示后悔heregrettedplayingcomputergames
高中英语动词不定式的用法(共32张PPT)
remember to do sth.记住去做某事
remember doing sth.记得做过某事
I remember reading the story in some book. Remember to post the letter for me when you go to the post office.
A. not to do
B. not do it
C. do not to
D. not to
解析：tell sb. (not) to do sth. 为了避免重 复，后面省略了surf the Internet.
7. The party was successful, but we thought it a pity not __D_______ you.
1. 动词不定式作主语
有时候为了保持句子平衡，常用it 作形式主语，放到句首，而将作真 实主语的动词不定式放到句末。
It will take a whole day to get there by car.
It is impossible for me to finish the work in a week.
A. getting
B. having got
C. being got
D. to get
解析：名词the way后跟有两个定语，一个是 定语从句Smith thought of， 一个是动词不定 式to get enough money to buy the new
house.
5. The young assistant was noticed __C____ the bank alone last night.
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.
动词不定式的基本用法归纳优秀课件
He is not a man to tell lies.
There will not be enough space to stand in on the earth 2、作定语的不定式与所修饰的名词之间是动宾关系， 不定式动词又是不及物动词时，应在该动词上加上 一个介词，如;
He has a nice pen to write with.
3．作表语和宾语不足语
❖ 动词不定式作表语，一是主语有不定式充当；二是 主语由抽象名词充当。
To teach is to learn. My job is to help the patient. 【注意】如果在主语中（通常在主语从句或修饰主语 的定语从句中）又实意动词do时，作表语的动词不 定式省略to。 All I want to do now (What I want to do now) is fill my stomach.
I think it necessary to report the thing to the teacher.
I find it interesting to work with him.
C．动词不定式还可以用作介词宾语，但仅限于 介词except和but（除了）。 ❖常用句型有： There is nothing to do but+动词原形 do nothing but+动词（除做….之外别无选择） can but+动词原形 （只能原形(“只有做……) have no choice but to do ，只得） cannot help/choose but+动词原形(不能不……）
动词不定式的基本用法归纳优 秀课件
一、动词不定时的形式
❖肯定式：to do sth ❖否定式：not to do sth. ❖ 被动式：to be done ❖完成式：to have done
There will not be enough space to stand in on the earth 2、作定语的不定式与所修饰的名词之间是动宾关系， 不定式动词又是不及物动词时，应在该动词上加上 一个介词，如;
He has a nice pen to write with.
3．作表语和宾语不足语
❖ 动词不定式作表语，一是主语有不定式充当；二是 主语由抽象名词充当。
To teach is to learn. My job is to help the patient. 【注意】如果在主语中（通常在主语从句或修饰主语 的定语从句中）又实意动词do时，作表语的动词不 定式省略to。 All I want to do now (What I want to do now) is fill my stomach.
I think it necessary to report the thing to the teacher.
I find it interesting to work with him.
C．动词不定式还可以用作介词宾语，但仅限于 介词except和but（除了）。 ❖常用句型有： There is nothing to do but+动词原形 do nothing but+动词（除做….之外别无选择） can but+动词原形 （只能原形(“只有做……) have no choice but to do ，只得） cannot help/choose but+动词原形(不能不……）
动词不定式的基本用法归纳优 秀课件
一、动词不定时的形式
❖肯定式：to do sth ❖否定式：not to do sth. ❖ 被动式：to be done ❖完成式：to have done
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.
英语语法-动词不定式PPT课件
-Yes. I think that’s 2 years ago.
√ a. sfeoerget/br.esmeeeimngberct.otodoseseth.
d. saw
forget/remember doing sth.
stop/go on to do sth
stop/go on doing sth
宾语
4. People eat to live, but not live to eat.
5. I have a lot to tell you.
6.
定语 It’s not right to be always thinking of oneself.
7. We often see him play football.
(目的) (目的)
（结果）
第5页/共22页
4.用作主语（这时可将其用形式主语it来替换） 1.To be an actress is my dream. It is my dream to be an actress. 2. To go abroad is his dream. It is his dream to go abroad. 3. To say is easy, to do is difficult. It is easy to say, it is difficult to do.
todo表示目的doctordidwhathecoulddo作定语如是不及物动词构成不定式短语作定语其后需接介词第21页共22页感谢您的观看
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，在句子中 不能作谓语。在句中可以作主语、表语、宾 语、宾语补足语、定语和状语。
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.
高中语法 动词不定式 共62张ppt
We hurried to the railway station, only to find the train had just left. 我们匆匆赶去火车站，结果却发现火车刚刚离开。
三、不定式充当的句子成分
6. 不定式作状语 2）作结果状语 ② so… as to/such as to She looks so beautiful as to attract all of us. Her voicstare.
challenge command encourage persuade recommend
get hate like press warn
cause have mean want wish
compel help make request urge
在let, make, have, see, hear, feel, watch, notice, listen to等动 词后面作宾补的不定式，to要省略。
三、不定式充当的句子成分
2. 动词 + to do（作宾语） 1) 直接跟在及物动词后面作宾语。此时，句子有两个特点： ① 句子主语和不定式的逻辑主语是一致的，及两个动作都是由一个人发出的。 ② 句子谓语动词多是描写态度，不定式动词说明行为。
I hope to see you again.
This company refused to cooperate with us.
1）主谓关系 I don’t think he is the best man to do the job. The next train to arrive is from New York. Jack was the only person to survive the air crash.
三、不定式充当的句子成分
6. 不定式作状语 2）作结果状语 ② so… as to/such as to She looks so beautiful as to attract all of us. Her voicstare.
challenge command encourage persuade recommend
get hate like press warn
cause have mean want wish
compel help make request urge
在let, make, have, see, hear, feel, watch, notice, listen to等动 词后面作宾补的不定式，to要省略。
三、不定式充当的句子成分
2. 动词 + to do（作宾语） 1) 直接跟在及物动词后面作宾语。此时，句子有两个特点： ① 句子主语和不定式的逻辑主语是一致的，及两个动作都是由一个人发出的。 ② 句子谓语动词多是描写态度，不定式动词说明行为。
I hope to see you again.
This company refused to cooperate with us.
1）主谓关系 I don’t think he is the best man to do the job. The next train to arrive is from New York. Jack was the only person to survive the air crash.
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.
高中非谓语动词不定式课件(共144张PPT)
由此可见，连词在决定句子结构以及谓语动词和非谓语 动词的使用中起着关键的作用。
非谓语动词使用条件
一个句子当中，已经存在一个主句（谓语动词）,又没有 连词的情况下, 还有别的动词出现时。
opened (open) the door 1. The man took out the key, _________ and entered the room. reading (read) a book. 2. The man sat there, _________ Work (work) hard, and you will succeed. 3. _______ discussed (discuss) at the meeting 4. The question ___________ yesterday is of great importance. To improve 5. ___________(improve) his spoken English, Mr. Zhang goes to the English corner every Saturday.
非 谓 语 动 词
动词不定式 （to do）
动名词 (doing) 分词
现在分词 (doing) 过去分词 (done)
非谓语 动词 不定式 动名词 现在分词 过去分词
主语 √ √
宾语
表语
定语 √ √ √ √
宾补 √
状语 √
√
√
√
√ √ √
√
√ √
√
英语一句话中只能有一个主谓结构 如果出现更多动词： • 加连词（and / but / so…） • 放入从句 • 变为非谓语动词
3. 强调 不定式的动作在谓语动词之前发生时， 用不定式完成式 to have written He is said _________________ (write) a novel last year.
动词不定式课件
了解其语法特征和常见用法。
THANK YOU
并列连词后接动词不定式的情况
并列连词后接动词不定式的情况在英语中非 常常见，如：and, but, or, so等连词后都可 以接动词不定式。例如，“He and I are going to the park.”、“He is taller than me, but he can’t jump higher than me.”、“Do you want to go with me or stay at home?”等。
否定动词不定式
动词不定式的否定形式通常是在不定式符号"to"之前加"not"。
例如，"to eat"的否定形式是"not to eat"。
否定句中的动词不定式
在否定句中，动词不定式通常出现在 "not"之后，例如："I plan not to go"。
VS
但在一些否定表达中，如"never"， "no"，"none"，"neither"，"nor"， "can't"，"won't"，"shouldn't"， "mustn't"，等，动词不定式出现在 这些词之后。
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作主语
不定式可以作主语，例如To learn English is important.
作宾语
不定式可以作动词的宾语，例 如I want to go home.
作定语
不定式可以作名词或代词的定 语，例如The car to be repaired is mine.
THANK YOU
并列连词后接动词不定式的情况
并列连词后接动词不定式的情况在英语中非 常常见，如：and, but, or, so等连词后都可 以接动词不定式。例如，“He and I are going to the park.”、“He is taller than me, but he can’t jump higher than me.”、“Do you want to go with me or stay at home?”等。
否定动词不定式
动词不定式的否定形式通常是在不定式符号"to"之前加"not"。
例如，"to eat"的否定形式是"not to eat"。
否定句中的动词不定式
在否定句中，动词不定式通常出现在 "not"之后，例如："I plan not to go"。
VS
但在一些否定表达中，如"never"， "no"，"none"，"neither"，"nor"， "can't"，"won't"，"shouldn't"， "mustn't"，等，动词不定式出现在 这些词之后。
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02
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作主语
不定式可以作主语，例如To learn English is important.
作宾语
不定式可以作动词的宾语，例 如I want to go home.
作定语
不定式可以作名词或代词的定 语，例如The car to be repaired is mine.
动词不定式的用法PPT课件
• My job is to help the patient。我的工作是帮助病人
• 动词不定式（短语）作表语常用于系词be的后面。例：
• His work is to drive a car. 他的工作是开车。 • My job is to feed animals. 我的工作是饲养动物。 • Her ambition is to be a doctor. 她的理想是当医生。
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I want you to go now. 我想让你现在就走。
•
Her parents wish her to be a teacher.她父母
亲希望她当老师。
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动词不定式做宾语补足语
• 2.省“to”的不定式作宾语补足语： • Let / make / have sb. do sth. • Let the boy go out now. 让那个男孩出去。 • The boy made the baby cry. 男孩弄哭了这个小
动词不定式做宾语
• *如果and连接两个动词不定式，第二个动词不定式一般省“to” 例：
• He wants to go and have a swim with us. 他想和我们一起去游泳
• 若作宾语的动词不定式（短语）带有宾语补足语，往往把不定式短 语放在宾补后，用it作形式宾语。句型为：主语+find（feel,think belive,consider,etc）+it+adj\n+to do sth。
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动词不定式做定语
• *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。例：
• 动词不定式（短语）作表语常用于系词be的后面。例：
• His work is to drive a car. 他的工作是开车。 • My job is to feed animals. 我的工作是饲养动物。 • Her ambition is to be a doctor. 她的理想是当医生。
•
I want you to go now. 我想让你现在就走。
•
Her parents wish her to be a teacher.她父母
亲希望她当老师。
第16页/共33页
动词不定式做宾语补足语
• 2.省“to”的不定式作宾语补足语： • Let / make / have sb. do sth. • Let the boy go out now. 让那个男孩出去。 • The boy made the baby cry. 男孩弄哭了这个小
动词不定式做宾语
• *如果and连接两个动词不定式，第二个动词不定式一般省“to” 例：
• He wants to go and have a swim with us. 他想和我们一起去游泳
• 若作宾语的动词不定式（短语）带有宾语补足语，往往把不定式短 语放在宾补后，用it作形式宾语。句型为：主语+find（feel,think belive,consider,etc）+it+adj\n+to do sth。
第20页/共33页
动词不定式做定语
• *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。例：
高中英语动词不定式的用法ppt课件
They will attempt to cross the river tonight.
→ They will make another attempt to cross the river tonight.
She promised not to do that again.
→ She made a promise not to do that again.
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E． 不定式的被动形式 当不定式逻辑上的主语是这个不定式表
示的动作的承受者时，不定式一般要用被动形式。不定式的被动 形式根据其与谓语动作发生的先后关系，有一般式和完成时两种。 1．一般式 to be done These are the books to be given out to the students. 这些是要发给学 生的书。 2．完成式 to have been done The novel is said to have been translated into many languages. 据说这 部小说已被译成多种语言。
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一、不定式结构作主语
To see one time is better than to hear a hundred times.
To persevere means victory! 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.
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注③：不定式结构的逻辑主语通常可在特定的上下文或情景
中看出，也可以由“ for + 名词词组” 来表示，如：
It is not hard for one to do a bit of good.
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动名词
非 谓
现在分词
语 分词
动
词
过去分词
不定式
不定式:是一种非限定性动词。
1.非限定动词:是指那些在句中不能单独充当 谓语的动词，
2.动词不定式在句中可以作句子除谓语之外 的任何句子成分。
3.动词不定式的被动形式除了一般形式外还 有其完成式和进行式。
不定式的构成:
一.基本形式： to+动词原形 二.其否定形式是: “not/never to do”/not do. 三.不定式可以带宾语或状语构成不定式短语，没
我的梦想是成为一名歌手。 他的工作是每天清扫教室。
1、My dream is to be a singer. 2、His work is to clean the classroom every day.
作宾语
1、动词+ to do sth.
常用动词有：
want / wish / like / would like / hope / plan / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fail/ manage/ promise等
动 I want to see you this evening. 宾语 词
不 All you have to do is to finish it quickly. 表语
定 式
We found a house to live in. 定语
She came here to study English. 状语
有人称和数的变化。
动词不定式的结构
肯定： to + V.原 或者 (to)+ V.原 否定：not/never + (to) + V.原
1) He likes to read novels. 2) I saw him come. 3) We decided not to buy that house. 4) It is interesting to fly a kite. 5) Please let him not go there.
to be doing ----------
to
have
done
to have done
been
to have been ---------doing
(1).They pretended not to see us.
(一般式表示与谓语的动作同时/几乎/发生在 它之后.)
(2). He pretended to be sleeping.
I warned the patient not to eat cold water after the operation. 宾补
英语博客网
一.结构 : to do (否定) not/never to do
二. 时态与语态 不定式 主动语态 被动语态
一般式
to do
to be done
进行式 完成式 完成进行式
(1). 主语
To see is to believe. It’s important to learn .
不定式作主语时,往往放在谓语之后, 用it作形式主语.
作主语
It +be + adj. +for/of sb. to do sth. 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.）
(在谓语动词发生的同时,不定式的动作也正在进行)
(3).She pretended to have known it before.
(完成式表示动作发生在谓语动作之前)
(4).We’re happy to have been working with you.(完成进行式表示谓语动作发生之前,不定式的
动作一直在进行而且可能之后也继续)
三. 用法/ 功能
(1). 主语
To see is to believe. It’s important to learn English well .
1.单个不定式作主语时,谓语动词用单数 2.不定式作主语时,往往放在谓语之后,用it作形式主 语.
三. 用法/ 功能
It is easy __f_o_r___ her to learn English well. It is clever ___o_f____ you to solve the problem.
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__. __
6、To waste time is to shorten life. （翻译成中文） 浪费时间就是缩短生命。
作表语
1、主语 + be + to do sth
主语多为 duty / wish / hope / idea / plan / ambition/ dream / work / job 等 名词
动词不定式
（2）特点 ：
A .没有人称和数的变化 B . 可以有自己的宾语和状语 C . 有时态和语态的变化（被动语态的形 式为 to be + 动词过去分词）
1. 作主语 2. 作宾语 3. 作宾语补足语 4. 作定语 5. 作状语 6. 作表语 7. 作独立成分 8. 与疑问词等连用
To do that sort of thing is foolish。主语
什么叫非谓语动词？
1：当一个动词在句中做主语、宾语、表 语、宾补、定语或状语成份时就叫做非谓 语。
2.因为不同的必须用不同的词性，所以做 各种成份的动词必须要变化其形式才能做 对应的成份。
三 非谓语动词所表示的动作与谓语动词表示 的动作的先后关系是什么？
弄清非谓语动词表示的动作与谓语动词表示的动作
之间的先后关系是解题的关键所在
非谓语表示的动作 非谓语动词的形式
在谓语表示的动作之后
to do/to be done
与谓语表示的动作同时 发生
在谓语表示的动作之前
ቤተ መጻሕፍቲ ባይዱ
to do/to be done /to be doing ; doing/being done ;
done; to have done/to have been done ; having done/having been done