动词不定式ppt课件

.,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,.,用法：1.用作宾语(v.+todo)Iwanttobuyacomputer.,.,needtodolearntodoagreetodoplantododecidetodorefusetodobegintodostarttodotrytodoforgettodoremembertodoliketodoStoptodogoontodo,.,.,1.Hewants_somevegetables.A.buyB.buyingC.tobuyD.buys(山西省)2.Dontforget_yourhomeworkwithyouwhenyoucometoschool.A.tobringB.bringingC.totakeD.taking(福建省)3.Hefounditverydifficult_.A.sleepingB.sleepsC.sleptD.tofallasleep(湖南省),.,e.g.IfounditveryimportanttolearnEnglishwell.Ifeelitmydutytodoso.,think,make,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.todo,.,1.Robertoftenasksus_hisChinese,sohisChineseismuchbetterthanbefore.A.helphimB.tohelphimwithC.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.Youdbetter_.A.notwakeuphimB.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.happenB.happensC.happeningD.tohappen(黑龙江省),.,3.用作状语(adverbial)：,go，come，try，do/tryonesbest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.Shedoesherbest_Englishwell.A.learnB.learningC.tolearnD.learns(四川省),.,be+,happy,glad,pleasedangry,sorry,luckyslow,quick,carefulready,nice,+todosth.,be+形容词+todosth“结构中的不定式作状语，常表示原因或方式。,.,3.Imsorry_that.A.hearsB.hearingC.hearD.tohear(河北省)4.Imsorry_you.A.troubleB.totroubleC.troublingD.troubled(吉林省)5.Mymotherwasveryglad_heroldfriend.A.tomeetB.meetC.metD.meets(甘肃省),.,在上述“too+形容词/副词(forsb)todo”(太而不能)和“enough(forsb)todo”(足以、足够做)结构中，不定式作结果状语。6.Thepandaissofatthatitcantgothroughthehole.(改为意思相同的句子)Thehole_suchafatpandatogothrough.(广东省)7.Theiceonthelakewassothinthatpeoplecouldntskateonit.(改为意思相同的句子)Theiceonthelakewasnt_enough_people_.(广东省),.,Givemesomethingtodrink.Heaskedforaroomtolivein.,4.用作定语(这时不定式与被修饰词有动宾关系。若是不及物动词,介词不能省略),.,1.Wouldyoulikesomething_?A.drinkB.drinkingC.todrinkD.drinks(湖北省)2.Ihavealotofhomework_.A.doB.doingC.didD.todo(河南省)3.Heisnotaneasyman_.A.getonB.togetonC.getonwithD.togetonwith(山东省),.,5.动词不定式作主语动词不定式作主语时，可以直接放在谓语动词前面的主语位置，也可以用先行词it作形式主语，而将真正的主语(不定式)置于后面。常见的句式有：,.,Its+,+(for+sb.)+todosth.,Its+,difficult,hard,easy,possible,impossibleimportant,+(of+sb.)+todosth.,clever,wise,kind,good,right,nicewrong,bad,cruelsilly,stupid,foolishcareful,careless,.,.,1.Itsourduty_theroomeveryday.A.tocleanB.cleanedC.cleanD.cleans(甘肃省)2.Itshardforus_Englishwell.A.learnB.learnsC.tolearnD.learning(江西省)3.建造这座立交桥将花费工人们一年多的时间。Itwill_theworkersoverayear_theflyover.(北京市海淀区)4.Itsverynice_youtogetmetwotickets_theWorldCup.A.for，ofB.of，forC.to，forD.of，to(安徽省),.,6.动词不定式的否定形式动词不定式的否定形式通常是在不定式符号to的前面加上not，如果是不带to的不定式就直接在动词原形前面加上not.,.,1.MrBlackaskedtheman_thequeue.A.nottojumpB.tonotjumpC.didntjumpD.notjump(广西壮族自治区)2.Theoldmantoldthechild_noisy.A.notbeB.nottobeC.tonotbeD.benot(湖北省)3.Thereisgoingto_animportantmeetingtomorrow.Pleasetry_late.A.have，nottobeB.have，notbeC.be，nottobeD.be，notbe(内蒙古自治区),.,7.疑问词w