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1、动词不定式,结构:to do(否定)not to do,二.时态与语态,不定式,to do,to be done,to be doing,to have done,to have been done,to have been doing,-,-,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,三.用法/功能,To see is to believe.Its important to learn.,(1).主语,不定式作主语时,往往放在谓语之后,用it作形式主语.,My job to help the patient.Your t
2、ask to clean the classroom.,(2).表语,I want to go home.The workers demanded to get better pay.I found it necessary to talk to him again.,(3)宾语,think/consider/find it+adj.+to do,常用动词不定式作宾语的动词有：hope,refuse,learn,set outchoose,decide,agree,manage,pretend,plan.,非谓语动词(动词不定式和动词-ing形式)中考考查重点讲解,e.g.1.He has p
3、romised to behave better later.2.The boy decided not to become a sailor.3.I hope to go to college.,promise,decide,hope,agree,choose,fail,wish,learn,+to do sth.,I.,The teacher told me to clean the blackboard.I expect you to give me some help.,(4).宾补,二看,watch,see,look at,三使,let,make,have,一听,listen to,
4、hear,四注意:,feel,warn,tell,allow,help,ask,force等,notice,五感觉:,2.用作宾语补足语：(v.+sb.+to do),She asked me to help her.The teacher told him to come on time.Edisons mother taught him to read and write.want sb.to do wish sb.to do get sb.to do order sb.to do find sb.to be like sb.to do would like sb.to do help s
5、b.to do,I made him do his work.,He was made to do his work(by me).,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.,I have something to say.He has a lot of homework to do.He
6、 is looking for a room to live in.There is nothing to worry about.,(5).定语,(如果不定式中的动词是不及物动词,则不定式中要有介词.),不定式作定语时，应放在被修饰词的后面，而且放在其他后置定语之后。,1.不定式做定语与所修饰的词之间有三种关系：,(1)动宾关系 I have a lot of work to do.我有很多工作要做。(2)主谓关系 He is always the first to come.他总是第一个来。(3)同位关系 We all have a chance to go to college.我们都有
7、上大学的机会。,2.不定式所修饰的名词或代词是不定式动作的地点工具等，即使是及物动词，不定式后面仍须有相应的介词。,3.不定式所修饰的名词如果是time,place或way，不定式后面的介词习惯上要省去。He had no money and no place to live.他没钱没地方住。,请给我一支写字的笔.,Please give me a pen to write with.,4.something,anything,nothing,everything等复合不定代词常用不定式做后置定语。,注意比较：,Do you have anything to send?你有什么东西要寄吗？（不
8、定式to send的动作执行者是you）2.Do you have anything to be sent?你有什么要（我或别人）寄的东西吗？（不定式to be sent的动作执行者是已被省略的me或someone else）,I came here to see you.He got up early to catch the train.,(6)状语,in order to,so as to,enough to,only to,too.to.,(7).独立结构,to be frank,to be honest,to tell the truth,To tell the truth,I do
9、nt agree with you.,关于小品词to,(1).不定式中的动词上文已出现过,下文要 省略该动词.,eg:Would you like to go with me?Id like to.,(2).不定式是to be 结构,be 不可省.,eg:Would you like to be a teacher?Id like to be.,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 didnt know what to say.他不知道说什么。(宾语)How to solve the problem is ve
10、ry important.如何解决这个问题很重要。(主语)My question is when to start.我的问题是什么时候开始。(表语),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?,固定句型:,had better/had best+(not)do sth.最好（不）做某事Why(not)do sth.?prefer to do/prefer doingprefer+n./doing A+to+n./doing Bprefer+to do A rather than(to)do B
11、would rather(not)do sth.would rather do A than(do)Bwould rather+句子（过去式）（虚拟语气）要做,(1).They pretended not to see us.,(2).He pretended to be sleeping.,(3).She pretended to have known it before.,(一般式表示与谓语的动作同时/几乎/发生在它之后.),(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 wit
12、h 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),My teacher was made _ his teaching because of poor health.giving up B.to give up C.give up D.given up2.The sentence wants _ once more.explained B.to explain C.being explained D.explaining3.The Arctic is considered _ the northern part of the Atlantic.havi
13、ng been B.to have beenC.to be D.being,B,D,C,4.The Emperor ordered the wonderful cloth _ for him without delay.to have woven B.to be wovenC.to be weaving D.to weave5.I found the German language hard _.learned B.learning C.to be learned D.to learn6.The light in the office is still on.-Oh,I forgot _.tu
14、rning it off B.turn it offC.to turn it off D.having turned it off,B,D,C,7.-How do you deal with the disagreement between the company and the customers?-The key _ the problem is to meet the demand _ by the customers.to solving,making B.to solving,madeC.to solve,making D.to solve,made8.-What do you th
15、ink of the school?-It is a very good _.school to study in B.school for children to studyC.studying school D.school to study,B,A,9.-Did you get a job?-No,I _,but its no use.expected B.tried to C.managed to D.planned10.We find it impossible for the work _ ahead of time.to finish B.finishing C.being fi
16、nished D.to be finished11.-I usually go to Shanghai by train.-Why not _ there by boat for a change?to try to go B.try going C.to try going D.try to go,B,D,B,12._ a living,she had to work from morning till night.To make B.MadeC.Making D.To have made13.I would rather starve to death than _ for food.be
17、g B.begging C.begged D.to beg14.The boy pretended _ when his mother entered.reading B.to read C.to be reading D.being read,A,A,C,Exercise,1.Robert is said _ abroad,but I dont know what country he studied in.to have studied B.to study C.to be studying D.to have been studying2.The purpose of new techn
18、ologies is to make life easier,_ it more difficult.not make B.not to make C.not making D.dont make3.Ive worked with children before,so I know what _ in my new job.expected B.to expect C.to be expecting D.expects,4.Having a trip abroad is certainly good for the old couple,but it remains _ whether the
19、y will enjoy it.to see B.to be seen C.seeing D.see5.It is said in Australia there is more land than the government knows _.it what to do with B.what to do with it C.what to do it with D.to do what with it6.The mother didnt know _ to blame for the broken glass as it happened while she was out.A.who B
20、.when C.how D.why,7.Paul doesnt have to be made _.He always works hard.A.learn B.to learn C.learned D.learning8.We agreed _ here but so far she hasnt turned up yet.A.having met B.meeting C.to meet D.to have met9.The boy wanted to ride his bicycle in the street,but his mother told him _.A.not to B.no
21、t to do C.not do it D.do not to,10.The patient was warned _ oily food after the operation.A.to eat not B.eating not C.not to eat D.not eating11.I would love _ to the party last night but I had to work extra hours to finish a report.A.to go B.to have gone C.going D.having gone12.Charles Babbage is ge
22、nerally considered _the first computer.A.to invent B.inventing C.to have invented D.having invented,13.Little Jim should love _ to the theatre this evening.A.to be taken B.to take C.being taken D.taking14._ late in the afternoon,Bob turned off the alarm.A.To sleep B.Sleeping C.Sleep D.Having sleep15
23、.The teacher asked us _ so much noise.A.dont make B.not make C.not making D.not to make,Ex 2 on Page 6 rewriting:He was overheard to say that he hoped John would resign.Peter was made to wait outside.He was heard to unlock the door and go out.The man was seen to shoot the woman on the street.The old
24、 lady was noticed to wipe her face with a handkerchief.,Ex 1 Translation on Page 49I forgot to ask you to go to the bank.It is very important to turn off the electricity before you check the machine.I know how to make a mouse out of my handkerchief.Luckily,we dont have much more work to do.She was v
25、ery pleased to have the opportunity to travel while she was young.She has been very successful in her work,and now her greatest wish is to get married and have a child.,Using structures,started pushing/to push promised to go advise you to eat began shouting/to shout avoid falling forget to call felt like throwing let them stay,a.to tell b.spending a.putting b.to check a.talking b.to make c.to drink a.to get b.thinking,Exercises 2 and 3 on P49,
