Grammarandusage(Auxiliaryverbs)本节课的教学目标简单句的基本结构简单句的基本结构助动词定义助动词分类Haveyoukeptthepointinyourmind?Areyouagoodlistener?IdolikeourEnglishteacher.DoesthefilmHappyFeetentertainyou?语态助动词Theremustbearaintomorrow.NoonemaycometoLinda’spartybecauseshehasn’tsentinvitations.Youcandoitifyoudevoteyourselftoit.Theexpertsuggestedthattheyouthshoulddomoreexercisetokeepfit.ThepresidentistospeakonTVtonight.Iamgoingtoattendameetinginaweek.Whenitrained,hewasabouttogoout.It’sgettinglate.I’ve(got)togonow.Manycountrieswouldratherbecautiouswiththisnewtechnology.Theyaresupposedtobeatschoolbefore8.have(got)tohadbetterwouldsooner/rather…thanbetobelikelytobesupposedtousedtobeabouttobeabletoIusedtolovecats,untilIwasattackedbyablackcatlastweek.Theapplicationofthistechnologyislikelytocausearevolutioninthisindustry.Iwouldsoonerwalktotheparkthantakethebus.It’snotsofar.Youhave(got)tobecarefulnexttime.Youarenotsupposedtoparkyourcarhere.JustasIwasabouttoleave,hefinallyshowedup.Youhadbetterhavearest.Youlookpale.助动词分类IwillbespeakingagainsttheInternet.Toomuchinformationhasnotbeenevaluated.Moremeasuresshouldbetakentodealwiththeproblem.TherearetwomainpointswhichmustbeincludedwhenweanalysetheInternet.I____abouttoleavethisafternoon.Theconference____supposedtostartat8,butwasdelayed.Tom_____(do)benefitalotfromreadingatpresent.____(have)everyonegotanEnglishdictionarynow?Everythinggoeswell,_______it?Tip3:常用助动词be,have和do的使用。助动词be的用法：1)be+现在分词，构成___________。a.他们正在开会。b.英语现在越来越重要。3)be+动词不定式，构成_________：表示最近、未来的计划或安排。a.他下周要去纽约。b.我们要教新生。助动词have的用法:1)have+过去分词，构成__________。如：a.他已去了伦敦。b.上月未为止,他们已经完成工作的一半。3)have+been+过去分词，构成______________。中国教英语已经多年。EnglishhasbeentaughtinChinaformanyyears.助动词do的用法:1)构成否定祈使句。不要这么心不在焉。说明:构成否定祈使句只用do,不用did和does。2)放在动词原形前,表_______。a.一定来参加我的生日宴会。Docometomybirthdayparty.b.我确实去那儿了。★Doyoulikecollegelife?★DidyoustudyEnglishbeforeyoucamehere?★Idonotlikehim.★Docallmetomorrow.★Hedidknowthat.小试牛刀---Lucy,canyoutellmewhenL