省略to-的动词不定式用法归纳.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date省略to-的动词不定式用法归纳除了我们所熟知的使役动词make、let、have和感 官动词see、watch、notice，hear、feel、listen to、look at、 observe等后通常用首略to的不定式作宾语补足语省略to的动词不定式用法归纳一、使役动词与to的省略当不定式用于let, make, have等使役动词后作宾语补足语，不定式必须省略

2、to。如：Let me have another cup of tea.给我再来一杯茶。She had him dig away the snow.她让他把雪挖走。They made him tell them everything.他们强迫他把一切全告诉他们。但是，当使役动词用于被动语态时，其后的不定式则必须要带to。如：他被迫一天工作20小时。误：He was made work twenty hours a day.正：He was made to work twenty hours a day.注意，表示使役意义的let和have很少用于被动语态。另外注意，force, oblige等

3、虽然也表示“使”，但它们后用作宾语补足语的不定式必须带to。如：They forced her to sign the paper.他们强迫她在文件上签字。The law obliged parents to send their children to school.法律要求父母送子女上学。考例：1.The teacher forbade _ our seats. A.us to leave B.us leaving C.to leave D.to leaving2.Mary had her friend _ the best one. A.choose B.chosen C.chose D

4、.to choose3.The girl was made _ she didnt love at all. A.marry a man B.to marry a man C.to marry with a man D.married with a man二、感觉动词与to的省略当不定式用于表示感觉的动词feel, hear, notice, observe, see, watch, look at, listen to等作宾语补足语时，不定式必须省略to。如：We all felt the house shake.我们都感觉这房子在震动。I heard him go down the sta

5、irs.我听见他下楼了。Did you notice her leave the house?她离开屋子你注意到了吗?I watched her get into the car.我看着她上了车。但是，当feel后用作宾语补足语的不定式为to be时，则不能省略to。如：They all felt the plan to be unwise.他们都认为这个计划不明智。注意，当这些动词变为被动语态时，不定式前的to不能省略。如：They were heard to break a glass in the next door.听见他们在隔壁打破了一个玻璃杯子。另外，若用作宾语补足语的不定式为完成

6、式，则通常应带 to。如：I noticed her to have come early.我注意到她来得很早。考例：She told that she heard someone for help last nightA.to call B. call C.called D.calling三、在had better、would rather、maymight as well、rather than等搭配之后，动词不定式也不带to。例如：If youd rather be alone，we1l a11 leave here如果你宁愿独自呆着那我们都离开这儿。You might as well

7、go without her你们还是小带她去为好。(考例)1.Youd better _ when you come in. A.not to wake up me B.not to wake me upC.not to wake up me D.not to wake me up2.“How about a drink?” “Id rather _ something to eat.” A.have B.to have C.had D.having四、在介词but，except之后，如果其前有动词do的某种形式，其后不定式一般不带to，反之则必须带to，表示“不得不，只能”。例如：He do

8、es nothing but watch TV all day long他整天除了看电视无所事事、I have no choice but to accept the fact我别无选择只有接受这个事实。(考例)Sandy could do nothing but_to his teacher that he was wrongA.admit B.admittedC.admitting D.tO admit五、以why或why not开头引起的无主语中，动词不定式要省略to。Why argue with him?为什么要和他争辩呢?Why not tell me aboutit in time

9、?为什么不及时告诉我这个问题?(考例)I usually go there by train.Why not_by boat for a change?A.to try going B. trying to goC. to try and go D. try going六、在主语以what、a11、the only thing等开头的包含行为动词do的句子中，作为主语补足语的不定式 常可省略to。The only thing you can do is wait and see，你唯可做的只有等待和观望了：All l can do is help you finish the work on

10、time我能做的所有事情就是帮你按时完成工作。(考例)At present the best thing you should do is_another job，A.1ook for B1ooks forC.Iooked for D.1ooking for七、为-了避免重复，由and或or连接两个不定式时，般可以省略第二个不定式符号to。例如：工m really puzzled what to think or say我真不知道该怎么想和怎么说。We want to swim and climb the hills next Saturday我们下个星期六想游泳、爬山。(考例)The cap

11、tain decided to send his car there and_at once，A.pick them up B.pick up themC.picked them up D.picked up them注:如果前后两个不定式在意义上有对比关系时，不定式符号to不能省略。例如：I came not to scold,but to praise you.我来不是批评你，而是表扬你的。八、一些含有but的固定搭配短语如cant help but, cant choose but, can not but, can but等结构中，后面跟不带to的动词不定式。例如：It rained

12、hard,so they couldnt choose but stay at home.雨下得很大，他们只得待在家里。The old lady could but walk slowly with a stick。那个老太太人只能拄着拐杖慢慢地朝前走。(考例)1.I cannot but_your decisionA.admire B.to admireC.admired D.admires2Hearing the inspiring news, we couldnt help but_.A.cheer B.cheeringCto cheer Dcheered九、在make believe(

13、假装)、make do(将就)，let go (放开)、hear saytell(听人说起)、let fly(发射)、let fall (掉落)、leave go(放开)等固定搭配中，用不带to的动词不定式。例如：The man made believe that he was a policeman，那个人装扮成个警察。Have you ever heard tell of such things?你有没有听说过这种事情?Dont let go of the rope别放开绳子。十、在动词help之后可用不带to的不定式，也可用带to的不定式。例如：Will you help me(to)c

14、arry the bag?你能帮我拿这个包吗?CustOoerscriticisms help(to) improve the service work of our shops。顾客的批评意见帮助我们的商店改进服务工作。(考例)She cant hclp_ the house because shes busy making a cake，A.clean B.cleaningC.cleaned D.beinng cleaned特殊例解：1.She cant help _ the house because shes busy making a cake.A. to clean B. cleaning C. cleaned D. being cleaned2.While shopping, people sometimes can not help _ into buying something they dont really need.A.to persuade B.persuadingC.being persuaded D.be persuaded-