人教版八年级上册英语Unit9 Section A-2

单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Unit9Canyoucometomyparty?SectionAGrammarFocusYes,shecan.Canshecometotheparty?Canshe…No,hecan’t.Hehastostudy.Canhegotothebaseballgame?Canhe…Cantheycometotheparty？No，theycan’t.Theyhavetostudyforthemathtest.Canthey…CanyoucometomypartyonSaturday?Sure,I’dloveto.Sorry,Imuststudyforamathtest.Canyougotothemoviestomorrownight?Sure.Thatsoundsgreat.I’mafraidnot.Ihavetheflu.Canhegototheparty?No,hecan’t.Hehastohelphisparents.Canshegotothebaseballgame?No.she’snotavailable.Shemustgotothedoctor.Cantheygotothemovies?No,they’renotfree.Theymighthavetomeettheirfriends.GrammarFocus3aCompletetheanswerswithmightandoneofthephrasesinthebox.1.A:WhatareyougoingtodoonSaturday?B:I’mnotsure.Imight______________2.A:Whatareyouplanningtodoafterschool?B:Idon’tknow.____________________watchTVontheweekendmycousinvisitgrandparentspracticetheviolinpracticetheviolin.ImightwatchTV.3.A:Whenwillyoufinishthesciencehomework?B:____________________________________4.A:Whoareyougoingtothemovieswith?B:____________________________________5.A:AreyoufreetocometomyplaceonSaturday?B:____________________________________OntheweekendMycousinNo.Imightvisitgrandparents.3bCompletethesentencesbelow.Usethewordsinbracketstohelpyou.Inviting:(can/playtennis)________________________________________________Accepting:________________________2.Inviting:(wouldliketo/gotothemovies)Reason:(mighthaveto)______________________________Refusing:Canyoucometoplaytennis?Sure,thatsoundsgreat.wouldyouliketogotothemovies?I’mafraidnot.Ihavetoomuch______________________________3.Inviting:(can/hangoutwithustonight)Reason:(must)____________________________________Refusing:_____________________________4.Inviting:(wouldliketo/cometomybirthdayparty)______________________________________Accepting:______________________________homeworktodo.Canyouhangoutwithustonight?Wouldyouliketocometomybirthdayparty?No,Ican’t.Imustfinishmyhomework.Sure,I’dloveto.3cWritedowneverythingyouhavetodonextweek.Chooseadayandtimetohaveaparty.Theninviteclassmatestoyourparty.A:Canyoucometomyparty?B:Whenisit?A:Nextweek,onThursdaynight.B:I’msorry.Ihavetostudyforamathtest.星期一Monday星期二Tuesday星期三Wednesday星期四Thursday星期五Friday星期六Saturday星期日SundayDoyouknowweek?colorfulweekendactivitiesgofishinggoshoppinggoskateboardingplaybasketballgotothecinemaclimbmountainssurftheInternetgotoapartygototheconcertstudyforatestgotothedoctorhaveapianolessonvisithisauntgotoabaseballgame/havebaseballtrainingWeekendActivitiesWhatdoyouusuallydoonweekends?Whatactivitiesdoyoudoonweekends?haveto…不得不A:Whatdoyouhavetodothisweekend?B:Ihaveto…Whatweekendactivitiesdoyoudo?studyforatestgotothedoctorhaveadancinglesson情态动词主要有：may/might,can/could,must,haveto,shall/should,will/would,oughtto,need,dare,usedto。Grammarfocus现在我们来着重学习情态动词can以及haveto的用法。其特征主要有：1.不能独立作谓语，只能和动词原形一起构成谓语，表示说话人的语气和情态。2.没有人称和数的变化。(haveto除外)3.否定形式：在其之后加not(haveto除外)。 疑问形式：情态动词提到主语之前(haveto除外)。can为情态动词,在本单元中表示请求,用于发出邀请，后跟动词原形。当同意接受对方的邀请时,常用Sure,I’dloveto./Certainly./Ofcourse.等来回答；若不接受,常用Sorry等来有礼貌地拒绝,一般情况下需要说明不能接受邀请的原因以表示歉意。—Canyoucometomybirthdaypartytomorrow？明天你来参加我的生日聚会，好吗？—Sorry,Ican’t.Iamgoingtovisitmygrandpa.很抱歉，我来不了，我要去看我爷爷。1.can/may都可表示“许可”。may用于较正式、客气的场合，而can比较随便（口语）。Youmay/cansmokehere.Borrowersmaynottakeoutofthelibrarymorethantwobooksatatime.Thepolicemansaysyoucan’tparkhere.(2)May/CanI/we…?表示征询对方许可。Canyou…?表示请求。①—MayIuseyourphone?—Yes,youmay./Yes,please./No,youmaynot. /No,youmustn’t./No,you’dbetternot./I’mafraidnot./I’msorry.I’dratheryoudidn’t.②—CanIgooutandplay,Mum?—Yes/Certainly,youcan./No,youcan’t.③—Canyouhelpmewiththisbag?—Withpleasure./Sorry,Ican’t.(3)都可表示“可能性” 肯定句 Mr.Reedlookspale.Hemaybeill.(事实上的可能).Mr.Readisinpoorhealth.Hecanbeillatanytime.(逻辑、理论上的可能)Thisnewsmaybetrue.(=might/could)(事实上的可能)WangWeicanbereallystubborn.(有时或偶然可能会)(=could)否定句Thisnewsmaynotbetrue.(也许不,=mightnot)Thisnewscan’tbetrue.(不可能,=couldn’t)疑问句Canthisnewsbetrue?(=Could)≠Maythisnewsbetrue?(4)can还可表示“能力”、“能够”—Youcanswim,can’tyou?—No,Ican’t.Ican’tpromiseanything,butI’lldowhatIcan.TicketscanbeboughtfromtheTouristInformationCenter.2.might/could分别为may和can的一般过去时，分别表示过去的“许可”、“可能”和“能力”、“能够”等。 Thechildrenaskedwhethertheycould/mightgoforaswim.(过去许可)Iwasafraiditmightrainthatafternoon.(过去可能)Heaskedifthenewscouldbetrue.(过去可能)(Canthenewsbetrue?)Shesaidhecouldspeakseverallanguages.(过去能力)Icouldn’tfindhertelephonenumber.(过去能够)(2)都可表示现在或将来的“可能性”。语气没有may肯定。①—There’ssomeoneatthedoor.—Itcould/might(=may)beGeorge.(肯定句)/Itcouldn’t(=can’t)beGeorge.(否定句)/Could(=Can)itbeGeorge?(疑问句)②Accordingtotheradioitcould/might/mayraintomorrow.③Lightningcould(=can)bedangerous.(3)Might/CouldI/we…?Couldyou…?表示更委婉、更客气的请求。①—Might/CouldIaskyouonemorequestion?—Yes,ofcourseyoumay/might/can/could.②—Couldyouhelpmewiththeseboxes?—OfcourseIcan./Withpleasure.有时在陈述句中也表示更委婉、更客气的请求或邀请：—IwonderifIcould/mightleavenow.—Idon’tsupposeyoucould/might.3.can/beableto can=am/is/areableto=shall/willbeableto①Noonecandoit.=Nooneisabletodoit.②Canyoucometonight?=Willyoubeabletocometonight?(2)could表示过去的技能、本能;was/wereableto表示过去某一具体场合经过努力而做成某事。