1、省略 to 的動詞不定式用法歸納一、使役動詞與to 的省略當不定式用于 let, make, have等使役動詞后作賓語補足語，不定式必須省略to。如：Let me have another cup of tea給.我再來一杯茶。She had him dig away the snow她.讓他把雪挖走。They made him tell them everything他.們強迫他把一切全告訴他們。但是，當使役動詞用于被動語態時，其后的不定式則必須要帶to。如：他被迫一天工作 20 小時。誤： He was made work twenty hours a day.正： He was mad

2、e to work twenty hours a day.注意，表示使役意義的let 和 have很少用于被動語態。另外注意， force, oblige 等雖然也表示 “使 ”，但它們后用作賓語補足語的不定式必須帶 to。如：They forced her to sign the paper他.們強迫她在文件上簽字。The law obliged parents to send their children to school法.律要求父母送子女上學。考例：1.The teacher forbade _ our seats.A.us to leaveB.us leavingC.to leav

3、eD.to leaving2.Mary had her friend _ the best one.A.chooseB.chosenC.choseD.to choose3.The girl was made _ she didn t love at all.A.marry a manB.to marry a manC.to marry with a manD.married witha man二、感覺動詞與to 的省略當不定式用于表示感覺的動詞feel, hear, notice, observe, see, watch, look at,listen to 等作賓語補足語時，不定式必須省略t

4、o。如：We all felt the house shake我.們都感覺這房子在震動。I heard him go down the stairs我.聽見他下樓了。Did you notice her leave the house?她離開屋子你注意到了嗎 ?I watched her get into the car我.看著她上了車。但是，當 feel 后用作賓語補足語的不定式為to be 時，則不能省略to。如：They all felt the plan to be unwise他.們都認為這個計劃不明智。注意，當這些動詞變為被動語態時，不定式前的to 不能省略。如：They were

5、 heard to break a glass in the next door.聽見他們在隔壁打破了一個玻璃杯子。另外，若用作賓語補足語的不定式為完成式，則通常應帶to。如：I noticed her to have come early我.注意到她來得很早?？祭篠hetoldthatsheheardsomeoneforhelplastnightA.to callB. callC.calledD.calling三、在 had better 、would rather 、maymight as well 、rather than 等搭配之后，動詞不定式也不帶 to。例如：If youdrat

6、her be alone，we1la11 leave here如果你寧愿獨自呆著那我們都離開這兒。You might as well go without her你們還是小帶她去為好。(考例 )1.You d better _ when youcome in.A.not to wake up meB.not to wake me upC.not to wake up meD.not to wake me up2.“ How about a drink?”“ I d rather _ something to eat.”A.haveB.to haveC.hadD.having四、在介詞 but

7、，except 之后，如果其前有動詞 do 的某種形式，其后不定式一般不帶 to，反之則必須帶 to，表示 “不得不，只能 ”。例如：He does nothing but watch TV all day long他整天除了看電視無所事事、I have no choice but to accept the fact我別無選擇只有接受這個事實。(考例 )Sandy could do nothing but_to his teacher that he was wrongA.admitB.admittedC.admittingD.tO admit五、以 why 或 why not 開頭引起的無

8、主語中，動詞不定式要省略to。Why argue with him?為什么要和他爭辯呢 ?Why not tell me aboutit in time?為什么不及時告訴我這個問題?(考例 )I usually go there by train.Why not_by boat for a change?A.to try goingB.trying to goC.to try and goD. try going六、在主語以 what 、a11、the only thing 等開頭的包含行為動詞 do 的句子中，作為主語補足語的不定式 ?？墒÷?to。The only thing you ca

9、n do is wait and see，你唯 可做的只有等待和觀望了：All l can do is help you finish the work on time 我能做的所有事情就是幫你按時完成工作。(考例 )At present the best thing you should do is_another job，A.1ook forB1ooks forC.Iooked forD.1ooking for七、為 -了避免重復， 由 and 或 or 連接兩個不定式時， 般可以省略第二個不定式符號 to。 例如：工m really puzzled what to think or sa

10、y我真不知道該怎么想和怎么說。We want to swim and climb the hills next Saturday我們下個星期六想游泳、爬山。(考例 )Thecaptaindecidedtosendhiscarthereand_at once，A.pick them upB.pick up themC.picked them upD.picked up them注:如果前后兩個不定式在意義上有對比關系時，不定式符號to 不能省略。例如：I came not to scold,but to praise you.我來不是批評你，而是表揚你的。八、一些含有 but 的固定搭配短語如c

11、anthelp but, can tchoose but, cannot but, can but等結構中，后面跟不帶to 的動詞不定式。 例如：It rained hard,so they couldn t choose but stay at home.雨下得很大，他們只得待在家里。The old lady could but walk slowly with a stick 。那個老太太人只能拄著拐杖慢慢地朝前走。(考例 )1.I cannot but_your decisionA.admireB.to admireC.admiredD.admires2Hearing theinspir

12、ing news, we couldnbuthelp.A.cheerB.cheeringCto cheerD cheered九、在 make believe(假裝 )、make do( 將就 )，let go (放開 )、hear say tell( 聽人說起 )、let fly( 發射 )、let fall (掉落 )、leave go(放開 )等固定搭配中，用不帶 to 的動詞不定式。 例如：The man made believe that he was a policeman，那個人裝扮成 個警察。Have you ever heard tell of such things?你有沒有

13、聽說過這種事情 ?Don t let go of the rope別放開繩子。十、在動詞 help 之后可用不帶 to 的不定式，也可用帶to 的不定式。 例如：Will you help me(to)carry the bag?你能幫我拿這個包嗎 ?CustOoers cricitsms help(to) improve the service work of our shops。顧客的批評意見幫助我們的商店改進服務工作。(考例 )She can hclpt_ thehousebecause she s busy making a cake，A.cleanB.cleaningC.cleanedD.beinng cleaned特殊例解：1.She cant help _ the house because shes busy making