非谓语动词不定式.ppt

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1、非谓语动词非谓语动词的形式分为：动词不定式，动名词，现在分词，过去分词.theInfinitive(动词不定式)动词不定式:todo1)todo的常见句型:want(sb.)todosth.wish(sb.)todosth.decidetodosth.try/need/hope/plan/learn/agree/wouldliketodoask/tell/teachsb.todosth.2)疑问词+todoIdon’tknowhowIcanswim.=Idon’tknow_____________.Please

2、tellmewhenweshouldmeet.=Pleasetellme______________.DoyouthinkwhichsweaterIshouldbuy=Doyouthink____________________..howtoswimwhentomeetwhichsweatertobuy总结:一、动词不定式与疑问词连用(即疑问词+todo的用法)特殊疑问词如when,what,howwhere,which,who,whom等词后面可以加动词不定式，在句中作主语、宾语或表语。1、作主语怎样操作这台

3、机器还是个问题。_______________themachineisstillaquestion.Howtooperatetodo做主语,谓语动词用单数Toplaywithpetsisinteresting.==Toseeistobelieve.ItisinterestingtoplaywithpetsPlayingwithpetsisinteresting宾语从句与疑问词+todo的同义转换（主从句中的主语一致时才互换）Hedidn’tknowwhatheshoulddonext.=Hedidn’tknow

4、_____________next.whattodo2、作宾语我不知道该做什么。Idon’tknow__________.whattodohowtodoit=3)注意：当不定式中的动词不能直接修饰前面的词时，应加介词。Ineedapen____________.towritewithIhavenoroom_________.toliveinThere’snothing___________.toworryaboutIdon’thaveapartnertopracticeEnglishwith.3.havesth

5、.todo(todo做定语,修饰sth.)有…要做Wehavemuchhomeworktodo.Doyouhaveanyquestionstoask?4.下列动词后的不定式todo省略to:一感:feel二听:hear,listento三让:let,make,have四看:see,watch,notice,lookat半帮助:help(可带可不带to)nottodo请叫他不要在这吸烟.Pleaseaskhim_____________here.否定式nottosmoke“Don’ttalkinclass.”Th

6、eteachersaidtous.=Theteacher____us_______inclass.toldnottotalk不定式专练Mymotheroftenasksme___moreexercise.A.doB.todoC.didD.does2.Isawhim____basketballwithJackanhourago.A.playsB.toplayC.playedD.play3.Iwant___thesebookstotheclassroom.A.takeB.tookC.takingD.totake4.

7、Theystopped___,buttherewasnomoresoundatall.A.tolistenB.tohearC.listeningD.tolistentoBDDA5.Doyouhaveenoughfood____?A.eatB.eatedC.eatingD.toeat6.Theyweremade___tenhoursadaybytheboss.A.workedB.workingC.workD.towork7.Shecouldfeelherheart___fast.A.beatsB.beatingC

8、.tobeatD.beaten8.Hetoldme____thehat.A.wheretobuyB.whattobuyC.wherebuyD.tobuybuyDBDA9.Hefoundithard____hisclass.A.tocatchupB.catchupwithC.catchupD.tocatchupwith10.It’simportant___ustolearnEnglish