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Unit9Canyoucometomyparty?学科网，zxxk.fenghuangxueyiA:Canyouswim?B:Yes,Ican./No,Ican’t.A:Canyouplayfootball?B:Yes,Ican./No,Ican’t.表示能力的回答LanguageGoals:MakeinvitationsDeclineinvitationsacceptinvitationsTalkaboutobligationsA:Canyoucometomybirthdayparty?B:Sure,I’dlove\liketo.接受邀请的回答学科网，zxxk.fenghuangxueyiA:Canyoucometomybirthdayparty?B:Sure,I’dlove\liketo.A:Canyoucometomybirthdayparty?B:Sorry,Ican’t.Ihaveto…拒绝邀请的回答helpmyparents.WorkinpairsA:Canyoucometomybirthdayparty?B:Sorry,Ican’t.…自由操练可参考图片Ihavetoprepareforanexam.学科网，zxxk.fenghuangxueyiExplanation1.can的用法（１）表邀请。若接受邀请，回答为：OK./Allright./Sure./Ofcourse./Certainly./Yes(Sure),I’dlove(like)to.若不接受邀请，回答为：Sorry,Ｉcan’t.(+原因)eg.Canyoucometotheparty?Yes/Sure,I’dlove/liketo.Sorry,Ican’t.Ihavetohelpmyparents.其他表邀请的句型:1)Could/Will/Wouldyoucometotheparty?2)Wouldyoulike/lovetocometotheparty?3)Ihopeyoucometotheparty.4)Pleasecometotheparty.5)How/Whataboutcomingtotheparty?（２）表能力“能，会”否定句can’t不能eg.Hecanswim,butIcan’t.Howlongcanyoustayunderwater?（３）在否定句，疑问句中表示“不可能”或“一定不”eg.Canhecome?No,hecan’tcome.（他会来吗？不，他不能来．）2.情态动词“haveto”与其他的情态动词如：“can”,“may”“must”和“should”不同。（1）这4个情态动词没有人称和数的变化,而haveto有。它的第三人称单数为“hasto”,过去时为hadto,如：Heshouldstudyhard.他应该好好学习。Hehastostudyhard.他不得不好好学习。（2）这4个情态动词在一般疑问句中将它们放在句首,在否定句中直接在他们后边加not即可。我们以can为例:Canhegowithus?他能和我们一起去吗？Hecan’tgowithus.他不能和我们一起去。而“haveto”要加助动词do,hasto要加助动词does,还原havetohadto要加助动词did,还原haveto才可能完成其疑问、否定句。试将下面三种话分别写成（1）一般疑问句，并做肯定回答。（2）否定句。1:Theyhavetogototheparty.Dotheyhavetogototheparty?Yes,theydo.Theydon’thavetogototheparty.2：Hehastogotoseethedoctor.Doeshehavetogotoseethedoctor?Yes,hedoes.Hedoesn’thavetogotoseethedoctor.3：Shehadtohaveapianolessonyesterday.Didshehavetohaveapianolessonyesterday?Yes,shedid.Shedidn’thavetohaveapianolessonyesterday.2.haveto强调客观上需要做某事，即表示外界条件的需要不得不做某事，含有“客观所迫”的意味，它有人称和数的变化，可用于多种时态中，否定式为“不必”。•must强调说话者主观上认为必须做某事，含有“主观判断”的意味，它的否定式意为“禁止，不允许”。•eg.Ifonegetsill,he’llhavetoseeadoctor.•Shehastogotoschoolbybus.•Wemustgotoschoolontime.•---MustIfinishthehomeworknow?•---Yes,youmust./No,youneedn’t(don’thaveto).•Youmustn’tplayfootballintheclassroom.3.Ihavetohelpmyparents.我不得不帮助我的父母。helpsb.withsth.或helpsb(to)dosth.上一句我们可以说：Ihavetohelpmyparentswiththehousework.或说Ihavetohelpmyparents(to)dothehousework.•4.have构成的短语1)．havearest/look/swim/walk2)．haveameeting/class/lesson/drink（喝一杯饮料）/party3)．havebreakfast/lunch/supper(dinner)/meals4)．haveagoodtime/havefun(in)doingsth.5)．haveatry试一试6)．havesthon穿戴着（不可用进行时）＝bewearingeg.Buthehasnothingon.可他什么也没穿。7)．have/let/makesb.dosth.=getsb.todosth.让某人做某事8)．havesth.done请／叫某人做某事eg.Ihavethestudentsanswermyquestions.我让学生回答我的问题。Timwillhavehishaircuttomorrow.Tim明天要去理发。Canyou•A:Canyoucometomybirthdayparty?•B:Sorry,Ican’t.…•Ihavetheflu.•=Ihaveacold.=Icatchacold.Canyou•A:Canyoucometomybirthdayparty?•B:Sorry,Ican’t.…•Ihavetogotothedoctor.Canyou•A:Canyoucometomybirthdayparty?•B:Sorry,Ican’t.…IhavetomeetmyfriendTodaywehavelearnthowtosay“yes”or“no”tosomeone’sinvitationandgiveareason.1)Canyou…?常用于发出邀请.在口语也用wouldyouliketo…?Couldyou…?2)Sure,I’dloveto.这是对邀请的肯定回答,表示接受邀请.Sure用于口语,相当于Certainly,yes.3)Sorry,Ican’t.是对邀请的否定回答。Haveto“不得不,必须”,三单用hasto.A:Canyoucometomyparty?B:I’msorry.Ihavetohelpmymom.A:Canyouplaytennis?B:Sure,I’dloveto.Canyou…A:Canyoucometomyparty?B:Sure,I’dloveto.A:Canyougotothemall?B:I’msorry.I’mgoingtothemovies.Canyou…1a.Matchthewordswiththepictures.Matchthewordswiththepictures[a-e]prepareforaneaxmmeetmyfriendhavetheflugotothedoctorhelpmyparents1.Prepareforanexam_______2.helpmyparents_______3.gotothedoctor______4.meetmyfriend_______5.havetheflu_______Checktheanswers!bcdea1bListenandwritethenames(Tim,Kay,AnnaandWilson)nexttothecorrectstudentsinthepicture.TimAnnaKayWilson我不得不帮助我的父母。helpsb.withsth.或helpsb(to)dosth.上一句我们可以说：Ihavetohelpmyparentswiththehousework.或说Ihavetohelpmyparents(to)dothehousework.Languagepoints邀请invitesb.tosth.e.g.Lucyinvitesmetoherparty.TheSmithsinviteustodinner.invitationn.邀请,邀请书e.g.makeaninvitationacceptaninvitationdeclineinvitationThanksforyourinvitation!’msorry,I’mnotavailable.真抱歉，我没有空。此句中的available表示“有空；不忙；有时间交谈或聊天”，其后还可用todo引出具体的事情。例如：Areyouavailabletomorrowmorning?明天早上你有空吗？I’mafraidI’mnotavailabletohelpwiththeschoolshowonthe19th.我怕是没空来帮着准备学校19号的演出了。周一有考试，所以我必须为其做准备。一、prepare用作及物动词时1).preparesth.表示“准备......”，后接名词或代词作宾语e.g.OurEnglishteacherwaspreparingthelessonswhenIcameintotheoffice.我进办公室时，我们的英语老师在备课。当宾语是食物之类的东西时，可译为“制；做”e.g.MotherwaspreparingdinnerinthekitchenwhileFatherwaswatchingTV.妈妈在做饭，而爸爸在看电视。2).preparesb.sth.表示给......准备......，也可转换为preparesth.forsb.e.g.Shepreparedusanicebreakfast.=Shepreparedanicebreakfastforus.她给我们准备了可口的早餐。).preparesb.forsth.表示“使某人对某事有所准备”例如：Shesaidsobecauseshewantedtoprepareherfatherforthebadnews.她这样说因为她想使爸爸对那个坏消息有准备。4).preparetodosth.表示“准备做......”。e.g.Theywerepreparingtocrosstheriverwhenitbegantorain.他们正准备过河，