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1、Unit8ItmustbelongtoCarla.SectionB(selfCheck)PeriodSeven肯定式否定式其他用法can能，会,可能can’t不能，不会,不可能（不会）1.在口语中can可以代替may,同理，could也可以代替might.2、Couldyouplease…?委婉语气。3、表示否定猜测，用can’tbe(不可能）couldcan的过去式couldn’t不能，不会,不可能（不会）may可以,可能mustn’t不可以，不应该,不许可mightmay的过去式(可能性更小）maynot可
2、能不（表猜测）must必须,应当,一定,准是needn’t不必,不用表示说话人对事物的肯定推测时常用mustbe.haveto有各种时态。mustn’t不可以,不准,禁止haveto不得不don’thaveto没必要这么做1.Thatbrightlight_____beaUFO—there’snosuchthing!2.I’mstillwaitingforthebus,soI______beabitlatefortheparty.3.Thatsweater_______beCarla’s.She’stheonl
3、yonewhowearssuchcolorfulclothes.1Fillintheblankswithmust,mightorcan’t.can’tmightmust4.Tony_________wanttogototheconcert.Helikesmusic,butI’mnotsureifhelikesrockmusic.5.Thepersonyousawatthesupermarket________beSusan.Ijusttalkedtoheronthephone,andshe’satworkrig
4、htnow.1Fillintheblankswithmust,mightorcan’t.can’tmightNamelikesDislikesJessicatakephotosrunToddplaythepianoeatsweetfoodMikeplaytenniswatchthemoviesAnniereadcook2.Lookatthechartandwritesentencesforthethingsbelow.DVD2.bowlofice-cream3.CameraItcan’tbeTodd’s.hed
5、oesn’tliketoeatsweetfood.ItmustbeJessica’s.shelikestakingphotos.Itcan’tbeMike’s.Hedoesn’tliketowatchmovies.6.runningshoes4.cookbook5.tennisballItcan’tbelongtoAnnie.Shedoesn’tliketocook.ItmustbelongtoMike.Helikesplayingtennis.Theycan’tbelongtoJessica.Shedoesn
6、’tliketorun.写作指导本单元写作是讲述一件发生在周围的奇怪的事，同时运用表推测的情态动词对事情进行解密。把握好情态动词以及事件的逻辑顺序是写好作文的关键。常用句型归纳如下：1.…somethingstrangehappenedin…;2.…mustbe…;3.…can’tbe…;4.…mightbe…写作示例假设今天是星期天，你正在家里午睡，突然听到敲门声，请你根据表格中的信息，写一篇短文来判断是谁，并给出判断理由。要求：1.短文流畅、连贯；2.60~80词。开头已给出，不计入总词数。Inferenc
7、e(推断）Reasonparents(impossible)beingathomethief(impossible)beingafraidneighbor(possible)wantingsomehelpaunt(certainly)comingtovisitusThereisaloudknockatthedoor…经典示范Thereisaloudknockatthedoor.Theknockwakesmeup.Whoisit?Itcan’tbemyfatherormother,becausetheyarebo
8、thstayingathome.Itcan’tbeathief.Thethiefisafraid，andit’simpossibleforhimtoknockatthedoor.Itmaybemyneighbor.Maybehewantssomehelp.Oh,itmustbemyaunt.SheoftencomestovisitusonSunday.1.Theroomisbigeno
