江苏省兴化市昭阳湖初级中学七年级英语下册《Unit7Abilitiesgrammar》课件(新版)牛

学习目标•1.了解cancouldmay的用法•2.会使用cancouldmay•3.会使用感叹句五问五学，浅问深学——概问引标，课前先学cancould用于一般现在与将来时用于一般过去时can/could表示能力(意为“能,会”)•Can1.能（表能力），•2.可以，（许可），•3.可能（表可能性）•could1.can的过去式），•2.可能,许可（比can更委婉，可能性更小）•may1.许可，可能•2.比can，could更正式，客气Can语气越来越委婉可能性越来越来小couldmay•回答时用can，表示肯定的语气Can,could和may都可以表示许可，意为“可以”；Could比can更有礼貌，更委婉地提出请求，想法,（此时的could不表示过去，回答时肯定用can,否定用can’t）。May是正式场合，用于对长辈，老师或陌生人。Ican_________.rideabikeLookandsayWhatcanIdo?五问五学，浅问深学——精问生发，自主探学Ican______________.playbasketballWhatcanIdo?He_______thecello(大提琴).canplayWhatcanhedo?Ican__________everyday.doexercisesWhatcanIdo?_____flyakiteonthebeach.What____Ido?canIcanHecanswim.Hecouldswimlastyear.Hecanflyakite.Hecouldflyakitelastyear.Hecanrideabike.Hecouldrideabikelastyear.Shecanrowaboat.Shecouldrowaboatlastyear.Hecanplaytennis.Buthecouldplayitlastyear.Shecancook.Shecouldcooklastyear.句型•肯定句：主语+can/could+do原形•否定句：主语+can/couldnot+do原形•疑问句：can/could+主语+do原形？•yes,sbcan/could•no,sbcan’t/couldn’t五问五学，浅问深学——追问互助，合作深学如果表达不能做某事，可以在can后直接加not，成为cannot，也可以缩写为can’t。Cannot如：Icannot(can’t)playfootball.can没有人称和数的变化。不论表示谁能(不能)做某事，都是用can(not)。IcanplaytheguitarbutTom________chess____he_________itverywell.canplaybutcan’tplayIcan’tplayitverywell.否定句He________________buthe____________________.She____________she__________________.canspeakEnglishcan’tspeakitverywellcanpaintbutcan’tpaintverywell如果是询问某人能不能做某事，则要使用can的疑问形式，即将can提至句首。如：—CanyouspeakChinese?—Yes,Ican./No,Ican’t.一般疑问句A:Cansheplaytheviolin?B:____,shecan.A:____she______?B:Yes,________.CandanceshecanYesA:____heplaythedrums?B:No,________,buthecanplaytheguitar.Canhecan’tA:____sheplaythepiano?B:____________,butshe_________.CancandanceNo,shecan’tCould的用法Itcanrideabike.Itcouldn’trideabikelastyear.She______rowaboat.She________rowaboatlastyear.cancouldn’trideabikeI______rideabikenow.I_____________rideabike2yearsago.couldnot/couldn’tcanTaketurnstoaskandanswerquestionsusing“can”or“could”.Trytomakedialoguesinpairs.1.______youspeakEnglish?2._______youplaythepianolastyear?3._______youcook?4._______youuseacomputerwhenyouwere3?5._______yourideabicyclewhenyouwereveryyoung?6._______youunderstandEnglishTVprogrammesin2000?CanCouldCanCouldCouldCouldMakedialoguesusingthefollowingpattern.S1:Canyourideabike?S2:Yes,Ican./No,Ican’t.S1:Couldyourideabikefiveyearsago?S2:Yes,Icould./No,Icouldn’t.Canhe/sheflyakite?Yes,he/shecan.No,he/shecannot/can’t.•Can1.能（表能力），•2.可以，（许可），•3.可能（表可能性）•could1.can的过去式），•2.可能（比can更委婉，可能性更小）•may1.许可，•2.比can，could更正式，客气Can语气越来越委婉肯定回答用can可能性越来越来小couldmay1.Daniel:_______Iopenthedoor,MrWu?MrWu:yes,you_____2.Tom:Mum,________Ihaveanapple?Mum:No,you_____3.It_____rain,becauseitissunnynow.4.It_____rain,becauseitiscloudynow.MaycanmayCan’tmaycan其构成是：肯定句:主+can+动词原形否定句:主+can’t+动词原形一般疑问句:Can+主+动词原形？肯定回答:否定回答:特殊疑问句:特殊疑问词+一般疑问句？Yes,主+can.No,主+can’t.现在我们来总结一下：eg:Icandance.我会跳舞。Ican’tdance.我不会跳舞。Canyoudance?你会跳舞吗？Whatcanyoudo?你会干什么？Yes,Ican.是的，我会。No,Ican’t.不，我不会。“can”“could”“may”toaskforpermission.“Could”soundsmorepolitethan“can”.Mayisformal.1.---CanIborrowyourbike,Millie?---Yes,youcan.Hereyouare.2.---CouldIsmokehere?---Sorry,I’mafraidyoucan’t.3.---MayIuseyourmobilephone?---Ofcourseyoumay.What/how感叹句的用法•会使用what/how感叹句•1.把钥匙忘在教室了•2.顺便问一下•3.没问题•4.看透墙•5.用他的眼睛烧东西•6.听得很远•7.多奇怪啊！•8.和光一样快•9.多有趣的一个主意!•10.多优美的音乐!leftthekeyintheclassroombythewaynoproblemseethroughwallsburnthingswithhiseyeshearthingsfarawayHowstrange!runasfastaslightWhataninterestingidea!Whatnicemusic!Whatabigpencilboxitis!Howbigthepencilboxis!Whatbeautifulflowerstheyare!Howbeautifultheflowersare!•Theflowersarebeautiful.•Whatbeautifulflowerstheyare.•Howbeautifultheflowersare!•Thecatislovely.•Whatalovelycatitis.•Howlovelythecatis!•prettyHowprettythelittlegirlis!WhataprettygirlsheisA.Howtallthemanis!B.Whatatallman(heis)!Workouttherules:itistheyareitis用what(a/an)或how填空：1._________excitingmusicitis!2._________happilytheyareplaying!3._________amazingfilmtheysaw!4._________lovelyanimalstheyare!5._________amazingmatchitis!WhatHowWhatanWhatWhatanWhat与How大转换1.Whataprettygirlsheis!______________thegirlis!2.Howdifficultthequestionsare!_________________________theyare.3.Howbigthefactoryis!______________bigfactory_________!HowprettyWhatdifficultquestionsWhataitis4.Whatacleverboy!______________theboy_______!5.Howtallthetreesare!_______talltrees____________!6.Whatinterestingbookstheyare!_______________thebooks________!7.Howfunnythegirlis!________afunnygirlsheis!HowcleverareWhatHowinterestingWhattheyareis8.Howoldthemanis!_____________oldman___________!9.Whatnicebookstheyare!___________thebooks________!10.Howamazingthebuildingis!__________amazingbuilding________!WhatanheisHowniceareWhatanitis感叹句通常有what,how引导，表示赞美、惊叹、喜悦等感情。How+形容词+a+名词+陈述语序How+形容词或副词+陈述语序What+名词+陈述语序What+a+形容词+名词+陈述语序What+形容词+复数名词+陈述语序What+形容词+不可数名词+陈述语序Howcleveraboyheis!Howlovelythebabyis!Whatnoisetheyaremaking!Whatacleverboyheis!Whatwonderfulideas(wehave)!Whatcoldweatheritis!感叹句的省略形式为：Whatacleverboy(heis)!1.Lucycanplaythepiano.(改为一般疑问句并作肯定回答)______________________________________________________2.Mikecanswim.(改为否定句)___________________________句型转