《动词不定式》ppt课件

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1、动词不定式动词不定式的基本形式是“to+动词原形“,有时可以不带to.动词不定式没有人称和数的变化,在句子中不能作谓语。在句中可以作主语、表语、宾语、宾语补足语、定语和状语。不定式的形式主动语态被动语态一般式towritetobewritten完成式tohavewrittentohavebeenwritten进行式tobewriting完成进行式tohavebeenwriting用法：1.用作宾语(v.+todo)Iwanttobuyacomputer.needtodolearntodoagreetodo

2、plantododecidetodorefusetodobegintodostarttodotrytodoforgettodoremembertodoliketodoStoptodogoontodotododoingforget忘记要做某事忘记曾经做过某事remember记得要去做某事记得做过某事stop停下来去做另一件事停止正在做的事try努力去做某事试着去做某事goon接着做另外一件事继续做同一件事1.Hewants______somevegetables.A.buyB.buyingC.tobuyD.

3、buys(山西省)2.Don'tforget______yourhomeworkwithyouwhenyoucometoschool.A.tobringB.bringingC.totakeD.taking(福建省)3.Hefounditverydifficult______.A.sleepingB.sleepsC.sleptD.tofallasleep(湖南省)e.g.IfounditveryimportanttolearnEnglishwell.Ifeelitmydutytodoso.think,mak

4、e,find,feel+it+adj./n+todosth.2.用作宾语补足语：(v.+sb.+todo)Sheaskedmetohelpher.wantsb.todowishsb.todogetsb.todoordersb.todofindsb.tobelikesb.todowouldlikesb.todohelpsb.todo1.Robertoftenasksus______hisChinese,sohisChineseismuchbetterthanbefore.A.helphimB.tohelph

5、imwithC.tohelpwithD.helpshimwith(江苏省)2.MrLioftenteacheshisJapanesefriends______Chinesefood.A.cookB.cooksC.tocookD.cooked(甘肃省)作宾语补足语不带to的情况：Letmedoit.Isawhimcrossthestreet.常见动词有：使役动词:let,make,have感官动词:see,watch,hear,feel,listento注意：感官动词即可接todo,又可接doing,用不定

6、式表示动作的全过程(动作已结束)，用动词的-ing形式表示动作正在进行(动作尚未结束)。1.Wesawhim______thebuildingandgoupstairs.A.toenterB.enterC.enteringD.entered(河南省)2.Somuchworkusuallymakesthem______verytired.A.tofeelB.feelsC.feelingD.feel(吉林省)3.Yourfatherissleeping.You'dbetter______.A.notwakeu

7、phimB.nottowakeuphimC.notwakehimupD.nottowakehimup(陕西省)4.Iwasmade______myhomeworkintheafternoon.A.doB.doingC.todoD.did(贵州省)5.WhenIwaswalkinginthestreetIsawaplane______overmyhead.A.fliesB.flyingC.flewD.tofly(福建省)6.Awomansawit______whenshewaswalkingpast.A.h

8、appenB.happensC.happeningD.tohappen(黑龙江省)3.用作状语(adverbial)：go，come，try，do/tryone‘sbest等动词或短语动词作谓语时，其后常常可以接不定式作目的状语。1.Shewent______herteacher.A.toseeB.looksC.sawD.seeing(江西省)2.MeimeilikesEnglishverymuch.Shedoesherbes