七年级英语7B Unit 5 Grammar I课件1

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1、7BUnit5Grammar1Doyouknowthesesports?Icouldnotrowaboatatfive.NowIcan.rowaboatrideabike...couldnot...now...can...playbadminton...couldnot...now...can...swim/haveaswim...couldnot...now...can...flyakite/kites...couldnot...now...can...Using“can”/“could”totalkaboutabilityweuse“can”tosaythatwear

2、eabletodosomethingnow.weuse“could”tosaythatwewereabletodosomethinginthepast.Grammare.g.Ican(cannot/can’t/cannot)swim.Whataboutyou?Hecould(couldn’t/couldnot)danceinthepast.Whataboutyou?Whatcantheydo?/Whatcouldtheynotdo?SandySimonMillieDaniel&PeterAmylastyear×××××thisyear√√√√√Lastyear,Sand

3、y_________.Nowshe_______.....Simon...SandySimonMillieDaniel&PeterAmylastyear×××××thisyear√√√√√AskandanswerthequestionsCanSandyrowaboatnow?Yes,shecanCouldSandyrowaboatlastyear?No,shecouldn't.2"can""could"possiblityWhenwewanttoexpresssomethingispossible,weusecan/couldcan/could----present

4、(thepossibility:can>could)2"can""could"-------possibility注意当委婉表达“请求”“要求”时，用could。而回答时，肯定用can.否定语气一般要婉转，有时可说明不能的原因。如：--Couldyousendthisletterforme?--Yes,Ican./sorry,I’mbusynow.Exercises:Fillinthemwith"could/couldnot""can/cannot".1ItissnowinginCanada.We______goskiingthere.2Theswommingpooid

5、oesnotopentoday.We________goswimming.3We___________flykitesyesterrdaybecauseitrained.4We_______playbadmintonlastfridaybecausewehadourbadmintonrackets.5We________playfootballbeauseSimonforgettobringafootball.cancannotcouldnotcouldcannotTaketurnstoaskandanswerquestionsusing“can”or“could”.Tr

6、ytomakedialoguesinpairs.1.____youspeakJapanese?2._______youplaythepianolastyear?3._______youcook?4._______youuseacomputerwhenyouwere3?5._______yourideabicyclewhenyouwereveryyounger?6._______youunderstandEnglishTVprogrammesin2000?CanCouldCanCouldCouldCouldHomework:1Recitenewphrases.2Learnt

7、ouse"can/could"toshow"ability"/"possibility".3Payattentiontothesentencechange.Goodbye!