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1、动词不定式及其用法Grammar一动词不定式动词不定式由“to+动词原形”构成，可以在句中作主语、宾语、表语、定语、状语、补足语等,但不能作谓语。动词不定式Todothatsortofthingisfoolish。Iwanttoseeyouthisevening.Allyouhavetodoistofinishitquickly.Wefoundahousetolivein.ShecameheretostudyEnglish.Iwarnedthepatientnottoeatcoldwateraftertheoperation.主语宾语表语定语状语宾补(1)
2、.主语Subject不定式作主语时,往往放在谓语之后,用it作形式主语.Togetenoughsleepatnightisimportant.It____________________________________.Itisadj.(for/ofsb)todosth.Itis+apleasure/anhonor/apitytodo.Non-finiteisimportanttogetenoughsleepatnightItisnecessary____youtolearnEnglishwell.Itisstupid___youtogetsuchpoor
3、grades.forof(2).表语PredicativeMyjobisYourtask______________(努力学习).istostudyhardNon-finiteToseeistobelieve.toteachyouEnglish.Hisdreamistogotouniversity.Thesedayseveryonewantstogetrichfast.(3)宾语Object常用动词不定式作宾语的动词有:want,wish,hope,expect,plan/intend,decide/determine,refuse,offer,manag
4、e,pretend,fail,happen,afford,agree，etc.+todoNon-finitethinkconsiderfindmakefeel形式宾语4.我希望很快收到你的信。Ihopetohearfromyousoon.5.我决定不留下来。Idecidednottostay.6.学生们认为玩电脑游戏很有趣。Studentsthink______________________.7.她觉得没有必要和他辩论。Shefeltitunnecessarytoarguewithhim.itinterestingtoplaycomputergames.
5、it+adj.+todo巩固练习2Theteachertoldmetocleantheblackboard.(4).宾补Complement四看watch/see/notice/observe三让let/make/have二听listento/hear一感觉feelallow/permit,advise,ask,expect,force,persuade,tell,want,warn,等.Non-finite医生建议他去南方.Thedoctoradvisedhimtogotothesouth.+sbtodo+宾语+宾补dodoingdoneIoftenhe
6、arhim____(sing)theEnglishsong.WhenIcameintotheclassroom,Iheardhim________(sing)theEnglishsong.Heisoftenheard_______(sing)theEnglishsong.singsingingtosingImadehimdohiswork.He______________________byme.Seesbdosth---sbbeseentodoHewasseen___fromthetreeandgethurt.fallB.tofallC.fallingD
7、.fallen改错:Hewasheardtalktohismotherforanhour.totalkwasmadetodohiswork(5).定语AttributiveHeislookingfor__________.（一间可以住的房子）Thereisnothing___________.toworryaboutIhavealotofhomeworktodo.（没有什么可担心的）aroomtolivein如果作定语的不定式是不及物动词，其后应加上必要的介词Eg.Heisapleasantpersontoworkwith.Itseemsthathehas
8、nopen______. A.towriteB.towritewi
