非谓语动词之动词不定式(todo)的用法
总结todo的用法(精选4篇)

总结todo的用法第1篇不定式在句中做定语通常做后置定语,即放在被修饰名词或代词后。
它通常有以下几种用法:(一)不定式常可用来修饰物,表示要做某事。
如:1、The next train to arrive was from NewYork.下一列到站的火车是从纽约开来的`。
2、I have nothing to say on this question.在这个问题上,我没有什么话要说。
3、We are looking for somewhere to live.我们正在找一个地方住。
(二)不定式还可用来修饰人。
如:1、He was the first guest to arrive.他是第一个到达的客人。
2、Miss Brown was the next person to rise to speak.布朗小姐是下一个起来发言的人。
3、He was a brave man to do what he did.他是个勇者才有这样的行为。
(三)很多特定的名词后也可用不定式做定语,这样的名词常用的有:way,time,reaso n,chance,opportunity,need,wish,effort,right,ambition等。
如:1、It's time for you to get up and go to school.你该起床去上学了。
2、There is no reason to doubt his word.没有理由怀疑他的话。
3、They have now an opportunity to go abroad to studyfurther.他们现在有机会出国深造。
(四)某些动词或形容词后可接不定式时,它相应的同根名词也常用不定式做定语。
如:1、He made an attempt to learn English well.他试图学好英语。
(attempt to do sth) 2、His ability to get on with people is his chiefadvantage.他能和人相处是他的主要优势。
非谓语动词之动词不定式(todo)的用法

⾮谓语动词之动词不定式(todo)的⽤法⾮谓语动词之动词不定式(to do)的⽤法⾮谓语动词是指在句⼦中不是谓语的动词,主要形式有:不定式、动名词和分词(现在分词和过去分词)。
1.“to do”动词不定式的变形2.动词不定式的⽤法(1)充当主语(⼀般会⽤it 当形式主语)To swim here is dangerous. =It is dangerous to swim here.To pass this English exam is unlikely. =(2)充当表语(多数情况下,可以转换成动词不定式做主语)My job is to help with your English learning.To help with your English learning is my job.(3)充当宾语(只能做某些动词的宾语,⼀般不做介词的宾语;有时⽤“it”做形式宾语)I decided to attend this meeting last night.I find it necessary to learn a foreign language.注意:当以下动词欲接动词作宾语时,只能跟不定式作宾语。
decide, determine, learn, wish, hopeagree, plan, pretend, dare, refuse, failprepare, try, manage, help, promiseoffer, beg, demand, afford, arrange, be supposed(4)充当宾语补⾜语I persuaded him to make a speech in public.注意:在感官动词/使役动词/help后(see, hear, watch, notice, make,have, let后不定式做宾补时,可省略“to”)I saw them have a disagreement on who should sweep the floor. (我看到了他们争论的整个过程)但,感官动词后⾯也可接Ving形式,表⽰正在进⾏。
高考英语非谓语动词不定式语法知识点

高考英语语法非谓语动词不定式用法精讲不定式1.作主语不定式作主语常见的是it 作形式主语,放在句首,将真正的主语动词不定式(短语)放在句子后面。
It’s easy to be wise afterthe event.Itis right to give up smoking.2.作宾语I find it interesting to study history.1.直接作宾语句型:动词(vt)+ to do解读:直接跟在一个及物动词后面作宾语。
这时句子有以下两个特点:第一:句子的主语和不定式的逻辑主语是一致的,不定式的语态需看与句子主语的关系。
第二:这时句子的谓语动词多是描写态度;不定式动作则说明行为。
经典例句:1)Nobodywants to be laughed at.2)Thiscompany refused to cooperate with us.经典例题:1.I don't want ____like I' m speaking iii of anybody, but the manager' s plan isunfair. (2005天津卷)A. to soundB. to be soundedC. soundingD. to have sounded2.I can’t stand ______ with Jane in the same office. She just refuses _______talking while she works. (2006北京卷)A.working ; stoppingB. to work ; stoppingC.working ; to stopD. towork ; to stop3.As a young man , I hate______________ in public.ughed atB. to be laughed atC. to laugh atughing at2.句型:某些及物动词+连词+to do解读:在一些动词之后,可以在连接代词(what, who , which)或连接副词(how, when, where)及连词whether 后面接一个带to 的动词不定式作宾语。
to do doing done 非谓语用法

to do doing done 非谓语用法
“To do, doing, done”是英语中一种非常常见的非谓语用法,是指以“to do”、“doing”和“done”开头的动词不定式、现在分词和过去分词形式。
在句子中,这个结构通常用于表示某个特定的动作或状态,而不涉及主谓关系。
下面我们来详细了解一下这三种非谓语用法的具体用法。
一、to do
“To do”是动词不定式,它的基本结构是“to + 动词原形”。
在句子中,“to do”通常用于表示将要发生的动作或未完成的动作。
具体用法如下:
1. 表示目的:例如:
- I went to the store to buy some groceries.(我去商店买食材。
)
- She went to the library to study. (她去图书馆学习。
)
- He called me to ask for some advice.(他打电话给我问建议。
)
二、doing
综上所述,“to do, doing, done”三种非谓语用法在英语中应用广泛,能够帮助我们表达各种场景下的动作或状态。
熟练掌握这三种非谓语用法,能够让我们的语言表达更加丰富和准确。
英语中不定式(todo)的6种成分和2种独立用法

英语中不定式(todo)的6种成分和2种独立用法非谓语是英语学习的重点也是难点,很多同学对这个语法知识一直是处于比较懵的状态。
其实只要掌握非谓语所充当成分的用法就可以运用自如了。
非谓语,顾名思义就是不做谓语的动词的变化形式,即to do ,doing,done。
除了谓语,句子成分中还有主语、宾语、表语、宾语补足语、定语和状语。
下面看看不定式(to do)充当这6种成分的用法:一、不定式作主语1.To see is to believe. (这种情况不常用)2. It is important to learn English well.It 是形式主语,真正的主语是 to learn English well. 这种用法是常用的而且是考点!考点!考点!二、不定式作表语:常说明主语的内容、性质和特征或表动作将要发生。
1. My job is to keep the children safe.2.My task is to type the article.三、不定式做宾语1.He prefers to eat white bread and rice.2.He wants to play football.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.常接动词不定式作宾语的动词有:(需要记住)agree, afford, appear, ask, attempt;care, choose, claim;dare,decide,demand,deserve,determine;expect, fail, get, guarantee;hate, hesitate, hope, hurry;intend, learn, manage, offer,plan, prepare, pretend, promise;refuse, seem, tend, threaten;want, wish 等四、不定式做宾语补足语1.I'd invite her to have dinner at my house.2 . We should allow the children to choose their own clothes.Note 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)。
非谓语动词(Non-finiteverbs)

非谓语动词(Non-finiteverbs)非谓语动词概述:不定式(todo):目的、将来形式现在分词(doing):主动、进行过去分词(done):被动、完成todo:某一次具体的动作作主语doing:抽象的、概念性的、多次的、经常性的行为todo:某一次具体的动作作表语doing:抽象的、概念性的、多次的、经常性的行为done:todo作宾语doing句法功能todo:目的、将来作定语doing:主动、进行done:被动、完成todo:目的、将来作宾补doing:主动、进行done:被动、完成todo:目的、将来作状语doing:主动、进行done:被动、完成独立成分作状语n./pron.+todo/doing/done独立主格结构with的复合结构GrammarI:非谓语动词的形式(一)过去分词:过去分词只有一种形式,就是一般式done。
①单独表示一个被动的动作;②也可以单独表示动作已经完成;③还可以同时表示被动和完成。
(二)现在分词的各种形式:(三)主动被动用法一般doing beingdone doing的动作与谓语动作几e.g.1._______________(hear)thenews,theycouldn’thelpla ughing.e.g.2.Not________________(finish)thetask,theyhavetostayt hereforanothertwoweeks.e.g.3.________________(turn)offtheTVset,hebegantogoover (复习)hislessons.e.g.4.______________(heat加热),thewatergetshot.e.g.5._______________(build)forhalfayear,thebuildingbeca meourlibrary.e.g.6._______________(tell)manytimes,hestillrepeated(重复)thesamemistake.e.g.7.Isawtherewasaboy________________(blame)byhisfat her.(四)不定式的各种形式(五)e.g.1.Therearemanydishes_________________(wash)inthek itchen.SoIdon’thavetimetoseeafilmwithyoutonight.注意:非谓语动词的否定形式是在其前加notGrammarII:todo、doing作主语或表语一、todo、doing作主语的一般用法:e.g.1.Toswimtodayisagoodideae.g.2.Eatingtoomuchisbad foryourhealth.思考:todo作主语,表__________________________________________________的动作;doing作主语,表_________________________________________________的动作。
动词不定式详解

非谓语动词之动词不定式(一)动词不定式的一般形式1.不定式的时态:分为一般体(to do),进行体(to be doing),完成体(to have done),完成进行体(to have been doing)。
2.不定式的否定:不定式的否定形式通常是在不定式之前加not、never等否定词。
3.不定式的被动:通常是由to be done和to have been done构成。
(二)不带to的动词不定式1.在情态动词之后:例如must、can、should、need、dare(当need、dare作为主动词时,后面跟带to的不定式)。
特别地:ought to2.在半助动词之后:类似于be sure to、have got to、had better、happen to等。
3.在情态成语之后:a)would rather/would sooner/would just as soon(宁愿、宁可);后跟…than/as…的句子时,译为宁愿…也不愿…,从句中也用不带to的动词不定式。
b)may/might (just) as well;译为不妨,还是…为好c)can’t but/can’t help but;译为必须,不得不d)rather than/sooner than(宁可…也不…),其置于句首时,后跟不带to的动词不定式;放在句中其他位置时,to可加可不加。
4.在“主动词+主动词”固定搭配的第一主动词之后:第二主动词就是不带to的动词不定式,这类搭配常有:make believe(假装);make do with/on(依靠...维持;凑合);let drop/fall(有意无意说出);hear tell of(据说,听说);let slip(无意中泄露,错过)5.在let、make、have等“使役动词+宾语”结构之后:宾语补足语用不加to的动词不定式。
当使役变为被动态时,需要加上带to的动词不定式。
动词不定式知识点

非谓语动词之动词不定式动词不定式一.定义:在句中充当除谓语以外的句子成分的动词形式。
二.动词不定式结构:肯定结构:to do否定结构not to do(to有时省略) 三.动词不定式的功能:动词不定式在句子中可以作主语、宾语、宾补、表语、定语、状语.四.动词不定式的用法(一).动词不定式作主语:动词不定式作主语常作单数,其后谓动词也用单数To learn English well is not easy.To walk in the morning is good for us.这两个句子里面不定式充当的是主语,但是在现代英语中,不定式作主语,头太重了,为了避免这种头重脚轻的现象,常用it作形式主语,真正的主语是后边的动词不定式常考结构:it作形式主语,动词不定式作真正的主语。
It’s+adj to do sth.做某事是怎样的。
It’s easy to study English.It’s+adj for sb to do sth.对于某人来说做某事是怎样的。
It’s important for us to study English.区分这个结构It’s+adj of sb to do sth.某人太...怎么样做某事。
It so kind of you to help me.你太好了帮助我。
(二).动词不定式作表语:动词不定式作表语用于系动词(be)的后面Linda seems to be happy today.My dream is to be a teacher.My job is to teach students.(三)动词不定式作宾语1.动词+to do sth积累动词:want/would like想要/need需要/plan计划/hope希望/ wish希望/expect期待,期望/like喜欢/love喜欢agree同意/decide决定等等like to do sth喜欢做某事 love to do sth喜欢做某事want to do sth想要做某事 would like to do sth想要做某事begin to do sth开始做某事 start to do sth开始做某事remember to do sth记得去做某事 forget to do sth忘记去做某事plan to do sth计划做某事 mean to do sth计划做某事need to do sth需要做某事 stop to do sth停下来去做另一件事hope to do sth希望做某事 wish to do sth希望做某事expect to do sth期望做某事 agree to do sth同意做某事decide to do sth决定做某事 promise to do sth承诺做某事offer to do sth 主动做某事 volunteer to do sth自愿做某事fail to do sth 未能做某事 afford to do sth负担得起做某事prefer to do sth更喜欢做某事 regret to do sth后悔去做某事help to do sth=help do sth帮助做某事注意: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.2.若作宾语的动词不定式很长,可用it作形式宾语. 动词+it+adj(for sb)to do sth make/find/think +it+adj(for sb)to do sthI find it interesting to learn English with you.我觉得和你一起学英语很有趣.He found it hard to catch up with others.他觉得赶上别人很困难.(四)动词不定式作宾语补足语放在宾语后,有三种情况1.动词+sb to do sth.积累动词:want/would like想要/allow允许/ask询问/wish希望/expect期待,期望/tell告诉order命令/advise建议等等want sb to do sth 想要某人做某事would like sb to do sth想要某人做某事allow sb to do sth允许某人做某事ask sb to do sth要求某人做某事request sb to sth要求某人做某事require sb to do sth要求某人做某事wish sb to do sth希望某人做某事expect sb to do sth期望某人做某事tell sb to do sth告诉某人做某事teach sb to do sth教某人做某事order sb to do sth命令某人做某事advise sb to do sth建议某人做某事invite sb to do sth邀请某人做某事encourage sb to do sth鼓励某人做某事2.跟不带to的的不定式作宾补:动词+sb+ do sth使役动词和感官动词let sb do sth 让某人做某事 have sb do sth 让某人做某事make sb do sth 让某人做某事 see sb do sth 看见某人做某事watch sb do sth看见某人做某事 hear sb do sth听见某人做某事notice sb do sth 注意某人做某事 feel sb do sth感觉某人做某事3.可跟to或不跟to的不定式作宾补help sb do sth帮助某人做某事help sb to do sth帮助某人做某事(五).动词不定式作定语: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I have some work to do.我有一些要做的工作。
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非谓语动词之动词不定式(to do)的用法
非谓语动词是指在句子中不是谓语的动词,主要形式有:不定式、动名词和分词(现在分词和过去分词)。
1.“to do”
动词不定式的变形
原形进行式完成式完成进行式
to do (not) to be doing (not) to have
done (not) to have been
doing
动词不定式的
动作与谓语动词同时发生(或几乎同时)或发生在谓语动词之后谓语动词动作发
生时,动词不定
时的动作正在发
生
动词不定式的
动作发生在谓
语动词或特定
时间之前
动词不定式的动作
在谓语动词动作之
前,且一直在持续
2.动词不定式的用法
(1)充当主语(一般会用it 当形式主语)
To swim here is dangerous. =
It is dangerous to swim here.
To pass this English exam is unlikely. =
(2)充当表语(多数情况下,可以转换成动词不定式做主语)
My job is to help with your English learning.
To help with your English learning is my job.
(3)充当宾语(只能做某些动词的宾语,一般不做介词的宾语;有时用“it”做形式宾语)
I decided to attend this meeting last night.
I find it necessary to learn a foreign language.
注意:当以下动词欲接动词作宾语时,只能跟不定式作宾语。
decide, determine, learn, wish, hope
agree, plan, pretend, dare, refuse, fail
prepare, try, manage, help, promise
offer, beg, demand, afford, arrange, be supposed
(4)充当宾语补足语
I persuaded him to make a speech in public.
注意:在感官动词/使役动词/help后(see, hear, watch, notice, make,
have, let后不定式做宾补时,可省略“to”)
I saw them have a disagreement on who should sweep the floor. (我看到了
他们争论的整个过程)
但,感官动词后面也可接Ving形式,表示正在进行。
I saw them arguing about who should sweep the floor. (我看到他们正在
争论谁该扫地,并不一定看到了整个过程)
(5)充当状语(目的,原因,结果状语,其逻辑主语与句子主语一致)
I wrote him a letter to further explain this matter. (目的状语)
I’m sorry to bother you.(原因状语)
He queued for hours at the box office only to find that the show was sold out.
(结果状语,only + to find/realize/discover表示出乎意料的结果)(6)充当定语(不定式作定语,要放在所修饰的词的后面)
I have a lot of dishes to wash.
Do you have anything to say?
There are 3 questions to answer.
(7)一些固定句型中不定式省略“to”
had better
would rather do… than do…
why not do
无“do”
,有”to”
“except/but”
有“do”
无“to”
have nothing to do but do…
do everything but/except
have no choice but to
want nothing but/except to
(8)当两个或多个作用相同的不定式并列(and/or/than)时,通常只保留第一个不定式的“to”.
He told me to stay there and wait for him.
to persuade people than force them.
It’s easier
To try and fail is better than not to try at all. (否定式中“to”不能省略)
习题:
________ (hear) this news that China team won the match.
1. It’s great
2. He pretended ________ (sleep) when his younger brother came in.
3. We agreed ________ (meet) here but so far she has not turned up yet.
4. Although regular exercise is very important, it’s never a good idea ________ (exercise too close to bedtime.
umbrella with you when going out.
5. It’s going to rain. You’d better ________ (bring) the
6. You don’t have to run fast for long _______ (see) the benefit.。