不定式公开课名师优质课获奖市赛课一等奖课件.pptVIP

M5Unit1Grammar第1页

It’samypleasuretoteachyouinfinitiveheretoday.Youshouldtryyourbesttoimpresstheteachers.Iexpectallofyoutoperformwellinthisclass.Tobehonest,maybealittlehard.第2页

Theyadvisedmetogiveupsmoking.Theyadvisedme_______________smoking.HepromisedtotakecareofthepoorHepromised_______________thepoorStep1基本形式和否定形式必定式:todo否定式:nottodonottogiveupnottotakecareof第3页

动词不定式时态和语态Iopenedthedoortoentertheroom.㈠.普通式(todo/tobedone).不定式普通式所表示动作（状态）同时（或几乎同时）发生，或之后发生。Step2第4页

㈡.进行式(tobedoing)TheyseemedtobetalkingaboutsomethingsecretwhenIcamein.假如谓语表示动作（情况）发生时，不定式所表示动作正在进行。第5页

㈢.完成式（tohavedone/tohavebeendone)2.I’mpleasedtohavebeengiventhischance.1.YouseemedtohavereadthenovelwrittenbyMr.Smith.假如不定式动作发生在谓语之前。假如不定式逻辑主语是不定式所表示动作承受者，不定式要用被动形式.第6页

语态时态主动语态被动语态普通时进行时完成时小结todotobedonetobedoing/tohavedonetohavebeendone第7页

练习Hello!It’sgood__________(see)youagain.Bye-bye,I’mglad_______________(see)you.Theypretend_____________(work)hardwhentheteachercamein.Thegirlstudentsissaid_____________(send)abroadlastweek.Allthestudentsinourclasshaveenteredforthesports-meeting__________(hold)nextweek.第8页

1.作主语2.作宾语3.作宾语补足语4.作定语5.作状语6.作表语第9页

Todolikethatisfoolish.Iwanttoseeyouthisevening.Allyouhavetodoistofinishitquickly.Wefoundahousetolivein.ShecameheretostudyEnglish.Iwarnedthepatientnottodrinkcoldwateraftertheoperation.主语宾语表语定语状语宾补Step4不定式使用方法第10页

Doyoubelievehecanflylikeabird?第11页

HowcanyoubelieveIcanflylikeabird?_______istobelieve.It’simpossibleforhumans_________________now.Toseetoflylikeabird第12页

作主语______________isourduty.___________________isright=Itisrighttogiveupsmoking.1.帮助你是我们职责。2.放弃吸烟是正确。不定式短语作主语时，假如主语太长，常用it作形式主语，真正不定式主语后置。TohelpyouTogiveupsmoking第13页

作主语。普通用不定式做主语句型