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1、R七年级下册Unit1Canyouplaytheguitar?Lead-inWhatishedoing?Heisswimming.Canheswim?Yes,hecan.No,hecan’t.Canyouswim?Yes,Ican.No,Ican’t.Whatisshedoing?Sheisplayingtheguitar.Cansheplaytheguitar?Yes,shecan.Canyouplaytheguitar?Yes,Ican.No,Ican’t.Whataretheydoing?Theyareplayingbas
2、ketball.Cantheyplaybasketball?Yes,theycan.Canyouplaybasketball?Yes,I/wecan.No,I/wecan’t.can’t=cannotGrammarfocusYes,Ican./No,Ican’t.Yes,hecan./No,hecan’t.Yes,wecan./No,wecan’t.Yes,theycan./No,theycan’t.Whatcanyoudo?Whatclubdoyouwanttojoin?Icandance./Ican’tsing.Wewant
3、tojointhechessclub.Canyouswim?Canheplaychess?CanyouandTomplaychess?CanJaneandJillswim?情态动词can的用法can是情态动词，意为“能，会”，表示某人或某物具备的能力，还可用来提出请求，没有人称和数的变化，后面直接接动词原形。1.表示“能力”，意为“能，会”。例：我会讲英语。IcanspeakEnglish.2.表示“请求”或“许可”。例：你能帮我学汉语吗？CanyouhelpmewithmyChinese?3.含有情态动词can的肯定句变否定句
4、时，需在can后加not,其缩写形式为can’t;变疑问句时，情态动词can直接放在句首，构成一般疑问句。例：我会唱英文歌。（肯定句）（否定句）（疑问句）Icannot/can’tsingEnglishsongs.IcansingEnglishsongs.我不会唱英文歌。你唱英文歌吗？CanyousingEnglishsongs?4.对Can…问句的回答（1）询问能力的问句Yes,…can./No,…can’t.(对能力的肯定或否定)（2）表示请求的问句OK./Allright.(同意对方的请求)Certainly.Sorry.
5、肯定回答，语气更肯定否定回答，语气则更委婉、客气。5.含情态动词can的特殊疑问句的句型：疑问词+can+主语+动词原形？例：你会做什么？Whatcanyoudo?他能加入什么俱乐部？Whatclubcanhejoin？Writequestionsandanswerswiththewordsandphrases.3a1.WuJun/speakEnglish/Chinese________________________________________________________________________________
6、______2.Mike/playbasketball/playtennis______________________________________________________________________________________CanWuJunspeakEnglish?No,hecan’t,buthecanspeakChinese.CanMikeplaybasketball?No,hecan’t,buthecanplaytennis.3.JaneandJill/dance/sing______________
7、________________________________________________________________________4.Grace/playsoccer/playvolleyball______________________________________________________________________________________5.Bill/writestories/tellstories_____________________________________________
8、_________________________________________CanJaneandJilldance?No,theycan’t,buttheycansing.CanGraceplaysoccer?No,shecan’t,butshecanpl
