九年级英语_Unit5公开课课件_人教新目标版[1].ppt

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1、★Ifyoustudyhard,youwillgetgoodgrades.REVISION:真实性的条件状语从句：主句用将来时，if引导的从句用一般现在时。（主句和从句的位置可以互相换置）虚拟语气的条件状语从句：主句：主语+would+do+其它从句：If+主语+done(were)+其它（主句和从句的位置可以互相换置）★IfIhadlotsofmoney,Iwouldbuyabighouse.★Iwouldbuyahouse,IfIwereyou.Whatdoeshedo?Heisateacher.Whatdotheydo?They’restudentsIfyouareastudent,

2、youmuststudyhard.Yesorno?Ifyouareastudent,youmustfinishyouhomeworkerontime.Yesorno?情态动词：must,can,could,may,might.情态动词+动词的原形Eg:Wemustdoourhomework.Unit5ItmustbelongtoCarla.SectionAGuessinggamesWhatdoesshedo?Shecould/mightbea/an______Shemustbeateacher.teacherurse.Whatdoeshedo?Hecould/mightbea_____

3、_Hemustbeadoctor.workerfamerdoctorHeisadoctor.GrammarFocus表示推测的情态动词在英语中，表示对某件事物的确定程度，即表示推测的时候，我们通常会用到以下情态动词.(情态动词+动词的原形)must,can,could,may,might.(肯定)can’t,couldn’t.(否定)must一定，肯定（100%的可能性）might,could有可能，也许（20%~80%的可能性）can’t不可能，不会　　（可能性几乎为零）Whosefootballisit?ItJim’s.Helovesplayingfootball.mightco

4、uldbeWhosebackpackisit?ItAnn’s.Ithashernameonit.Annmustbe=belongto(sb.)属于某人besb.’s是某人的=ItmustbelongtoAnnWhoseviolinisit?ItZhangFan’s.sheplaystheviolin.could/mightbeJohnNo,itisn’t.It()John’s.It’stoosmallforhim.IsthisT-shirtJohn’s?can’tbeLookandguess.Whoisshe?Shecan’tbeGuoJingjing.Shemight/couldbeWa

5、ngNan.ShemustbeZhangYining.?Oh,yes.SheisZhangYining.can’t在此表示猜测，译为“不可能”，后接动词原形。might/could在此表示猜测，译为“也许，可能”，后接动词原形。must在此表示猜测，译为“肯定，极可能”，后接动词原形。肖勇Whosenotebookisthis?Why?Becausehisnameisonthebook.ItmustbelongtoXiaoYong.=ItmustbeXiaoYong’s.Whoseskirtisthis?JaneMikeItbelongtoJane.ItbelongtoMike.Becau

6、sesheistheonlywomanhere.can’tmustWhy?Whoseskirtisthis?JaneMikeMissYangMissYangItcouldbeItmightbelongtoJane’s.MissYang’s.Jane.MissYang.Itcan’tbeMike’s.belongtoMike.Whoseisthis?Itcan’tbesb’s.Itmustbesb’s.Itcould/mightbesb’s.belongtosb.…belongtosb.belongtosb.-Whosebookisthis?(=ItmustbelongtoMary)Bush

7、-It______beMary’s.BecauseHemingwayisherfavoriteauthorPairwork:JohnTonymustHemingway：[‘ɔ:θə]作家，作者JohnTony-Whosefootballisthis?-Itcouldmightbe(couldmightblongto)JohnandTony’s.Theylikeplayingfootball.Jim-Whosebike