不定式練習(xí)題

1、1.lesBabbageisgenerallyconsidered___thefirstcomputer.A.toinventB.inventingC.tohaveinventedD.havinginvented答案：A.由considertodosth.排除B、D。.此句只說明發(fā)明這一個(gè)事實(shí)，不定式后用原形即可。而C為現(xiàn)在完成時(shí)，發(fā)明為點(diǎn)動(dòng)詞一般不用完成時(shí)，且此處也不強(qiáng)調(diào)對(duì)現(xiàn)在的影響，因此不選C。2.Thechairlooksrath

2、erhardbutinfactitisverycomftableto___.A.sitB.sitonC.beseatD.besaton答案：B.如果不定式為不及物動(dòng)詞，其后應(yīng)有必要的介詞。當(dāng)動(dòng)詞與介詞連用時(shí)，常位于“形容詞動(dòng)詞不定式“結(jié)構(gòu)的末尾。3.—Iusuallygotherebytrain.—Whynot___byboatfachangeA.totrygoingB.tryingtogoC.totrygoD.trygoing答案：D

3、.whynot后面接不帶to的不定式，因此選D。4.Pauldoesnthavetobemade___.Healwayswkshard.A.learnB.tolearnC.learnedD.learning答案：B.make后接不帶to的動(dòng)詞不定式，當(dāng)其用于被動(dòng)時(shí)，to不可省略。5.Tellhim___thewindow.A.toshutnotB.nottoshutC.tonotshutD.notshut答案：B。tellsbtodos

4、th的否定形式為tellsbnottodosth.6.Shepretended___mewhenIpassedby.A.nottoseeB.notseeingC.tonotseeD.havingnotseen答案：A。pretend后應(yīng)接不定式。其否定形式為pretendnottodosth.。7.Mrs.Smithwarnedherdaughter___afterdrinking.A.nevertodriveB.toneverdriv

5、erA.growB.grewC.wasgrowingD.togrow答案：A。因題意為，他們看著她長大，因此強(qiáng)調(diào)的是成長的過程，而非正在長的動(dòng)作，因此用seesbdosth的句型。13.Themissingboywaslastseen___neartheriver.A.playingB.tobeplayingC.playD.toplay答案A.本題強(qiáng)調(diào)其動(dòng)作，正在河邊玩，應(yīng)此用seesb.doingsth句型。1.Theteachert

6、oldthem________makesomuchnoise.A.don’tB.notC.willnotD.notto2.Ourmasteroftentoldus_______thingsfgranted.A.nottohaveB.nottotakeC.didn’ttakeD.nottomake3.Tellhim_______thewindow.A.toshutnotB.nottoshutC.tonotshutD.notshut4.Th

7、eboywantedtoridehisbicycleinthestreetbuthismothertoldhim______.A.nottoB.nottodoC.notdoitD.donotto5.MrsSmithwarnedherdaughter________afterdrinking.A.nevertodriveB.toneverdriveC.neverdrivingD.neverdrive6.Thepatientwaswarne

8、d_______oilyfoodaftertheoperation.A.toeatnotB.eatingnotC.nottoeatD.noteating7.Thewkerswantus________togetherwiththem.A.wkB.wkingC.towkD.wked8.Theywouldnotallowhim________acrosstheenemyline.A.toriskgoingB.riskingtogoC.fri