人教版英语选修七第一单元语法课件.ppt

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1、M7U1 Living well,Grammar(the infinitives),afford,agree,appear,arrange,ask,attempt,choose,claim,dare,decide,demand,deserve,determine,expect,fail,get,guarantee,hate,help,hope,hurry,intend,learn,long,manage,offer,plan,prepare,pretend,promise,refuse,seem,tend,threaten,want,wish,Which verbs can be normal

2、ly followed by the infinitive?,Remember!,动词不定式(Infinitive)由“to+do”构成,否定形式_ Functions of Infinitive:主语、表语、宾语、宾补、定语、状语,not to do,1.不定式作主语(subject),To finish this report took him a week.眼见为实。To see is to believe.=Seeing is believing.Its impossible _ humans to fly like a bird now.Its polite _ you to gre

3、et everyone.单个不定式作主语时，谓语动词用_。若不定式太长，通常将其放句后，而用it作_。,for,of,单数,形式主语,2.不定式作表语(Predicative),What I would suggest is to put off the meeting.To see is to believe.=Seeing is believing.主语为不定式，表语也需为_.我的工作是要帮助病人。My job is_.不定式常用在系动词 be,seem,appear,get,remain等后作表语The only thing to do now is(to)go on.What Ill

4、do is(to)tell her the truth.All he did just now was(to)complete the form.P.S:当主语含有_，作表语的不定式可省略_.,不定式,do 的某种形式,to,to help the patients,3.不定式作宾语(Object),I decided to ask for my money back.It 作_：我觉得他不可能在这么短的时间内完成任务。I feel it impossible for him_ in such a short time.+it+adj./n.+(for sb.)+to do sth.,形式宾语

5、,to finish the job,think/consider/find/feel/believesuppose/make,4.不定式作宾补(Object Complement),1)带to的不定式作宾补 结构：动词:allow,order,force,permit,tell,want,wish,forbid,advise,persuade,warn等后皆带_作宾补。2)不带to的不定式作宾补:He made a face and made us laugh.类似用法的动词还有：使役动词make,have,let;感官动词see,watch,observe,hear,listen to,n

6、otice,were made to laugh,若上述结构变为被动语态,to要还原。,V.+sb.+to do,1.They saw the boy fall suddenly from the tree.The boy was seen to fall suddenly from the tree.,2.Mother made John wash the car for a week.,John was made to wash the car for a week.,5.不定式作定语(Attribute),Could you lend me a pen _(write)?He is lo

7、oking for a room _(live).Please pass me some paper _(write).若to do与被修饰的词为_关系时，不定式后介词不可省。,to write with,to live in,to write on,动宾,5.不定式作定语(Attribute),1.Autumn is the best time to travel.2.She is always the first to come and the last to leave.P.S：当名词被the first,the last等序数词以及adj.最高级修饰时，通常用不定式作定语。,somet

8、hing,anything,nothing,everything 等不定代词常用不定式做后置定语。,Do you have anything _(send)?I have nothing _(say).,to send,to say,6.不定式作状语(Adverbial),1)目的状语(to do,in order to,so as to do)I stayed there to see what would happen.He spoke loudly in order to be heard.2)结果状语(tooto do,so/such as to do)He lay in the be

9、d only _ his feet exposed.He got there only _(find)the train gone.3)原因状语(be+adj.+to do)sorry,surprised,happy,glad,eager,angry,foolish,right,wrong,slow,quick,rude,cruel We were very excited to hear the news.I have to say goodbye now.Im happy to meet you.,to find,to find,辨析 doing/to do 作结果状语I went to

10、see my aunt only to find her out.I went to see my aunt,finding her out.,He donated a lot of money _(enable)the orphans to go to school.He donated a lot of money,_(enable)the orphans to go to school.,to enable,enabling,动词不定式的时态和语态,to do,to have done,to be doing,to have been doing,to be done,to have b

11、eendone,(1)They pretended not to see us.,(2)He pretended to be sleeping.,(3)She pretended to have known it before.,(在谓语动词发生的同时,不定式的动作也正在进行。),(完成式表示动作发生在谓语动作之前。),(4)Were 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。),It is an honor for me _(invite)to attend the meeting.H

12、e wants the house _(repair)at once.,to be invited,to be repaired,stop to do sth.停下来去做某事 doing sth.停止做某事forget to do sth.忘记去做某事 doing sth.忘记已做了某事,remember to do sth.记得去做某事 doing sth.记得曾经做某事,注意：一、几对易混淆的词组,一些动词不定式可用作独立成分，表示说话人的态度。to tell the truth 说实话 to be honest 坦率地说 to begin with 首先 not to say 更不用说,

13、注意：二、不定式做插入语,1 爱和被爱都是最大的幸福。_ are both great happiness.2 据说他已经完成了他的工作。He is said _.3 根据报道他们已安全到达。They are reported _.,To love and to be loved,to have finished/completed,his work,翻译下面的句子。,to have arrived safely,4 我想叫人立刻修理这辆自行车。I want this bike _.5 玛利仿佛已经被告知此事了。Mary seemed _.6 众所周知，奥运会上他被授予了一枚 金牌。He is known _ a gold medal at the Olympics.,to be repaired at once,to have been told about it,to have been given,/immediately,