动词不定式的基本用法
动词不定式的用法

动词不定式的用法动词不定式的形式:动词不定式的用法1.不定式作主语⑴原则上,可用动词不定式直接作句子的主语,通常用it作句子的形式主语,而把不定式移到后面,形成“It + 谓语… + 动词不定式…”的句型。
如:To catch the 5:00 bus early in the morning is not a good idea.It is not a good idea to catch the 5:00 bus early in the morning.To learn a foreign language well takes painstaking efforts.It takes painstaking efforts to learn a foreign language well.⑵若要说明不定式的动作的执行者,可以在不定式前面加上“for + 名词或代词”结构,或是“of + 名词或代词”结构。
It is a great pleasure for me to talk with him. It is very kind of you to help me .⑶可用于“of + 名词/代词 + 动词不定式”结构中作主语补足语的形容词是指那些可以表示人或事物的性质或品质的好坏的形容词。
这些词如:careful, cruel, foolish, bold, brave,good, honest, kind, rude, polite, nice,stupid, selfish, silly, wicked, wise,thoughtful, wrong等。
2.不定式作宾语不定式作宾语有两种情况:一是及物动词后直接跟带to的不定式,二是“动词+疑问词+带to 的不定式”。
⑴“动词+带to的不定式”结构:常见的以不定式作宾语的动词有afford, appear, agree, ask,believe, decide, demand, desire, fail, hope, intend,learn, mean, offer, promise,refuse, wish等。
动词不定式的用法大全

动词不定式的用法大全动词不定式是英语中的一种非谓语动词形式,通常由“to”加上动词原形构成。
它有多种用法,包括以下几个方面:1. 表示目的或意图,动词不定式可以用来表示一个动作或状态发生的目的或意图。
例如,"She studies hard to pass the exam."(她努力学习是为了通过考试。
)。
2. 作为动词的宾语,动词不定式可以作为另一个动词的宾语。
例如,"I want to learn a new language."(我想学一门新语言。
)。
3. 作为形容词的补语,动词不定式可以作为形容词的补语,用来修饰名词或代词。
例如,"It's important to finish the work on time."(及时完成工作很重要。
)。
4. 作为状语,动词不定式可以用来修饰句子或句子中的动词,表示目的、原因、结果、条件等。
例如,"He works hard to support his family."(他努力工作是为了养家糊口。
)。
5. 与情态动词连用,动词不定式可以与情态动词连用,表示不同的情态含义,如推测、必要性、可能性等。
例如,"You should study harder to improve your grades."(你应该更努力学习来提高成绩。
)。
6. 作为主语,动词不定式有时可以作为句子的主语。
例如,"To travel around the world is my dream."(环游世界是我的梦想。
)。
总的来说,动词不定式在句子中具有多种用法,可以表示目的、作为宾语、形容词的补语、状语、与情态动词连用,甚至可以作为句子的主语。
掌握动词不定式的用法对于准确理解和运用英语语法至关重要。
希望这些信息能够帮助你更好地理解动词不定式的用法。
动词不定式的用法归纳

不定式作结果状语常用如下句型
He
hurried to the school to find nobody there. (结果) He is too old to lift the box.
The
room is big enough to hold us. It is such a big room as to hold us. He is so kind as to help us. such +(形容词)名词 +as to do sth so + 形容词/副词 + as to do sth
3) 不定式用在介词but, except, 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).There is nothing to do but wait. (3). I have no choice but to go.
people. (object complement)
Quiz II Multiple Choice 1. I don’t know whether you happen ____, but I’m going to study in the USA this September. (2004 辽宁)
3. 表示原因: 不定式可以用在作表语的形容词后作 状语, sorry, surprised, happy, glad, eager, angry, foolish, right, wrong, slow, quick, rude, cruel, disappointed等。
eg: I’m glad/pleased to see you. We were surprised to hear the news.
动词不定式的基本用法归纳

动词不定式的基本用法归纳动词不定式的基本用法归纳一、动词不定时的形式肯定式:肯定式:to do sth 否定式:否定式:not to do sth. 被动式:被动式:to be done 完成式:完成式:to have done二、动词不定式的用法1.作主语A. 动词不定式作主语,谓语动词用单数形式。
动词不定式作主语,谓语动词用单数形式。
如:(1)To see is to believe. (2)To master English gives us much help in the study of sience. B. 不定式或不定式短语作主语时,常用作形不定式或不定式短语作主语时,常用it作形式主语,构成“ 形容词(+for sb.)不定式” 不定式” 式主语,构成“It is + 形容词不定式结构。
结构。
It is impossible for him to give up smoking.2.作宾语A.动词后直接不定式作宾语的动词有许多,如 .动词后直接不定式作宾语的动词有许多,want, decide, intend, fail, wish, export, pretend, choose等等。
等等。
等等I mean to go there at once. B.不定式短语作宾语时,如果还带有宾语补足语,不定式短语作宾语时,如果还带有宾语补足语,不定式短语作宾语时往往把不定式短语放在宾补之后,而用it作形式往往把不定式短语放在宾补之后,而用作形式宾语。
句型为“主语+find(feel, think, believe, 宾语。
句型为“主语consider, etc) +it+形容词名词形容词/名词形容词名词+to do sth”。
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 .动词不定式还可以用作介词宾语,介词except和but(除了)。
动词不定式的用法总结及例句

动词不定式的用法总结及例句动词不定式是指以动词原形加上to构成的形式,在句中可以充当名词、形容词或副词的功能。
以下是动词不定式的用法总结及例句:1. 作为动词的目的或意图:- I want to go to the beach.(我想去海滩。
)- She studies hard to get good grades.(她努力学习以获得好成绩。
)2. 作为动词的补足语:- My goal is to learn a new language.(我的目标是学一门新语言。
)- The teacher asked us to complete the assignment.(老师要求我们完成作业。
)3. 作为形容词的补足语:- The task is difficult to complete.(这个任务很难完成。
)- She is happy to help.(她愿意帮助。
)4. 作为副词修饰动词:- He ran to catch the bus.(他跑着去赶公交车。
)- She sings beautifully to entertain the crowd.(她唱得很好听来取悦观众。
)5. 作为短语动词的一部分:- I look forward to seeing you.(我期待见到你。
)- He decided to give up smoking.(他决定戒烟。
)6. 作为动词的主语:- To live a healthy lifestyle is important.(过健康的生活方式很重要。
)- To travel the world is his dream.(环游世界是他的梦想。
)7. 作为动词的宾语:- I like to read novels.(我喜欢读小说。
)- They want to visit their grandparents.(他们想去拜访祖父母。
)需要注意的是,动词不定式在句中的位置可以灵活变化,但通常放在动词之后、名词之前、或者作为句子的结尾。
动词不定式有哪些基本用法?

动词不定式做宾语补足语:
例如:
1. I want you to tell me the truth.
2. The boss made workers work for
10 hours every day.
2013 · 漳州
动词不定式有哪些基本用法?
南京市第二十九中 董晓明
动词不定式能起名词、形容词和副词 的作用,可以做除谓语以外的各种成分 (主语、表语、宾语、宾语补足语、定语 和状语),还可以和疑问词连用。动词不 定式的结构是 to+动词原形,否定形式是 not to+动词原形。
动词不定式做主语:
例如:
1. To say something is one thing,
yourself.
A. to ask; write B. to ask; writing
C. ask ; writing
D. asking; to write
1.牢记与动词不定式搭配使用的动词和含有 动词不定式的句型 。 2.在读题时,同学们首先要充分读懂句子意 思,识别出含有动词不定式的短语和句型, 理解动词不定式在句中的作用。
to do is another thing.
2. To see is to believe.
注意: 动词不定式短语用作主语的句中,常
用含有形式主语 it 的句型来替换。
例如: It’s interesting to watch A bite of China.
2012 ·随州 It’s dangerousA ____ with the wild animals. A. for us to play C. for us playing B. of us playing D. of us to play
动词不定式的用法归纳

My question is when to start.
注意:•在与why连用时,只用于why或why not开头的简 短疑问句中,后面紧跟的动词不定式不带to。
Why not have a rest?
(9) 不定式的省略
3. 表示原因: 不定式可以用在作表语的形容词后作 状语, sorry, surprised, happy, glad, eager, angry, foolish, right, wrong, slow, quick, rude, cruel, disappointed等。
eg: I’m glad/pleased to see you. We were surprised to hear the news.
(4).独立结构作状语
To tell (you) the truth, I don’t agree with you.
类似的结构 •to be frank, •to be honest (with you), •to make things worse,
(8)不定式与疑问词who,which, when, how, what等连用,在句中起名词作用,可充当主语、 表语、宾语等。 He didn’t know what to say.
4. I don’t have time to sit around feeling sorry for myself. (attribute)
5. I am the only student in my class to have a pet snake. (attribute)
6. A big company has decided to buy it from me. (object)
动词不定式的用法总结

动词不定式的用法总结
1、动词不定式作主语时常用it来作形式主语,而将动词不定式移至谓语动词后作真实主语。
It is dangerous to drive very fast.
2、动词不定式可以作表语,如果主语部分含有实义动词do,且作表语的动词不定式又是do 的内容,这时表语不定式的to可以省去。
My idea is to ring him up at once.
3、动词不定式作宾语。
I do not know who to ask .
4、用作宾语补足语的动词不定式.
He was heard to sing every day .
5、不定式复合结构for somebody to do something。
可用作主语\表语\定语\状语等。
It is for her to decide.
6、作状语的动词不定式常表示目的、原因、方法、方向、结果等。
I am glad to meet you.
7、作定语的动词不定式。
We have no time to go to the town today .。
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动词不定式的基本用法一、概述动词不定式是一种非谓语动词形式,它能起名词、形容词和副词的作用,在句子中作主语、宾语、定语、表语、宾语补足语和状语。
其形式如下:(主动形式)◆一般式(not)to do一般现在时表示的动词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的动作之后。
He seems to know this.我希望再见到你。
_____________________________________________________◆完成式(not)to have done完成时:表示的动作发生在谓语动词表示的动作之前。
He seems to have caught a cold.很抱歉给你带来这么多的麻烦。
____________________________________________◆进行式(not)to be doing进行时:表示动作正在进行,与谓语动词表示的动作同时发生。
He seems to be eating something.他假装在学习。
_______________________________________________________________二、动词不定式的语法功能(一)作宾语1) 动词+ 不定式The driver failed to see the other car in time. 司机没能及时看见另一辆车。
我碰巧知道你那道问题的答案。
____________________________________________________________________★常用的动词有afford, aim, appear, agree, arrange, ask, decide, bother, care, choose, come, dare, demand, desire, determine, expect, hope, fail, happen, help, learn, long(渴望), mean, manage, offer, ought, plan, prepare, pretend, promise, refuse, seem, tend, wish…2)动词+疑问词+ toPlease show us how to do that. 请演示给我们如何去做。
有这么多的录音机,我都拿不定主意买哪一种。
There are so many kinds of tape-recorders on sale that I can't make up my mind_________________________.★常用的动词有decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell …(二)作补语:1. 动词+宾语+不定式(to do)Father will not allow us to play on the street. 父亲不让我们在街上玩耍。
老师建议我们每天大声读英语。
________________________________________★常见的动词有advise, allow, believe, cause, drive, encourage, forbid, force, hire, inform, instruct, invite, like, order, permit, persuade, remind, request, require, select, send, tell, warn…2. 动词+宾语+不定式(to be )We believe him to be guilty. 我们相信他是有罪的。
我们认为汤姆是班上最好的学生之一。
________________________________________________________________★常用的动词有acknowledge, believe, consider, think, declare(声称), discover, fancy(设想), feel, find, guess, judge, imagine, know, prove, see(理解), show, suppose…(三)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。
To get there by bike will take us half an hour.眼见为实。
_________________________________________________________2. 用it作形式主语,把真正的主语不定式置于句后。
It's our duty to take good care of the old.听到你的声音真高兴。
_________________________________________(四)作表语不定式作表语表示具体动作或将来动作;动名词作表语表示抽象的一般行为。
To be kind to the enemy is to be cruel to the people.Our work is serving the people.(五)作定语不定式在句中作定语,置于被修饰的名词或代词之后。
如:The next train to arrive is from Washington.①关于这个问题你有什么话要说吗?__________________________________________?(六)作状语:常作目的状语搭配有only to (仅仅为了), in order to, so as to, so(such)… as to… (如此…以便……)He ran so fast as to catch the first bus. 他飞快地跑以便赶上第一班车。
我来仅仅是向你告别。
____________________________________________________三、强化练习(一)根据中文意思,完成下列句子1. 很难知道未来是什么样子。
______________ what the future will be like is difficult.= It is difficult ___________ what the future will be like.2. 眼见为实。
To see is _____________________.3. 他答应不把这件事告诉任何人。
He has _______________________ anybody about it.4. 你有什么话要说吗?Have you anything ___________________________ ?5. 为了通过考试,我们得努力学习。
We must work hard in order __________________.6. 请提醒我关门。
Please remind me ___________________________________.7. 他身体太差,不能上学。
He was too weak __________________________________.8. 活到老,学到老。
It’s never too old _______________________.9. 这本书很难懂。
This book is difficult ________________________.10. 我发现在三个小时内完成这项工作是不可能的。
I find it impossible ___________________________________________________.(二)选择最佳答案1. My pets take me a lot of time _______________.A. look afterB. to look afterC. to lookD. looking for\2. The medicine is ______________ three times a day.A. to be takenB. to takeC. to have takenD. to have been taken3. ---- Is Bob still performing?---- I am afraid not. He is said ______ the stage already, as he has become an official.A. to have leftB. to leaveC. to have been leftD. to be left4. The chair man thought ________ necessary to invite Professor Smith to speak at the meeting.A. thatB. itC. thisD. him5. When asked by the police, he said that he remembered ____ at the party, but not ___.A. to arrive; leavingB. to arrive; to leaveC. arriving; leavingD. arriving; to leave6. You were silly not _____________ your car.A. to lockB. to have lockedC. lockingD. having locked7. _________ this cake, you ‘ll need 2 eggs, 175g sugar and 175g flour.A. Having madeB. MakeC. To makeD. Making8. The teacher asked us ___________ so much noise.A. don’t makeB. not makeC. not makingD. not to make9. The building __________ by the building team from Anhui Province next month is a new school.A. to buildB. to be builtC. builtD. being built10. I don’t know whether you happen ________ it, but I’m going to study in the USA this September.A. to be heardB. to be hearingC. to hearD. to have hear。