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Unit1Canyouplaytheguitar?SectionA(GrammarFocus-3c)GrammarFocusCanyouswim?Yes,Ican./No,Ican’t.Canheplaychess?Yes,hecan./No,hecan’t.CanyouandTomplaychess?Yes,wecan./No,wecan’t.CanJaneandJillswim?Yes,theycan./No,theycan’t.Whatcanyoudo?Icandance./Ican’tsing.Whatclubdoyouwanttojoin?Wewanttojointhechessclub.3aWritequestionsandanswerswiththewordsandphrases.1.WuJun/speakEnglish/speakChinese2.Mike/playbasketball/playtennis3.JaneandJill/dance/sing4.Grace/playsoccer/playvolleyball5.Bill/writestories/tellstoriesCanWuJunspeakEnglish?No,hecan’t,buthecanspeakChinese.CanMikeplaybasketball?No,hecan’t,buthecanplaytennis.CanJaneandJilldance?No,theycan’t,buttheycansing.CanGraceplaysoccer?No,shecan’t，butshecanplayvolleyball.CanBillwritestories?Nohecan’t,buthecantellstories.3bCompletetheposterwiththewordsinthebox.playsingtelldanceStudentsWantedforSchoolShowWewantstudentsfortheschoolshow.Canyou_____or______?Canyou_____theguitar?Canyou______stories?PleasetalktoMrZhangafterschool.singdanceplaytell语法探究Can的用法1.作为情态动词，它是辅助动词，帮助说明能力、意愿等，can后跟动词原形，并且它不随主语人称的变化而变化。例如：Icansing.我会唱歌。Hecandance.他会跳舞。2.变否定句直接在can后加“not”，可缩写为can’t。例如：Icannotswim.或Ican’tswim.我不会跳舞。3.变一般疑问句直接把can提前。例如：Canyoudance?你会跳舞吗？Whatcanyoudo?你会做什么？课堂小结重点语法情态动词can的用法后面总是接动词原形，没有人称和数的变化。意思是“能，会”。用法口诀:情动can表能力，和行为动词不分离。不管主语如何变，can的模样永不变。只要出现情动can，动词原形后面站。一般疑问can提前，否定can后not添。1.Theycanplaybasketball.(改为一般疑问句，并作否定回答)______they_____basketball?______,they_____.2.LiuLincansing.(改为否定句)LiuLin__________.3.Tomcanswim.(对画线部分提问）__________Tom______?【答案】1.Can,play;No,can’t2.can’tsing3.Whatcan,do达标训练I.句型转换Homework仿照3a编一组对话，并两人表演。Wellbegunishalfdone.良好的开端是成功的一半。