人教版初中七年级上册英语精品授课课件 Unit 5 2. Section A(3a—3d).ppt

Can的其他用法1.表示请求或许可，意为“可以”。CanIreadyournewspaper?我可以看一下你的报纸吗?Youcangohomenow.你们现在可以回家了。2.表示推测，意为“可能”,常用于否定句或疑问句。Tomcantbeathome.汤姆不可能在家里。Canitbetrue?它可能是真的吗?1.---Tony,________yousingEnglishsongs?---Yes,Ican.A.canB.mayC.needD.must2.Ourdaughter________speakEnglish,butshe________write.A.can;canB.cant;cantC.can;cantD.cant;must3.MyfriendAlicecan________TVonSunday.A.watchB.watchesC.watchingD.towatch4.---Canyouplaytheguzheng?---________.ButIcantplayitwell.A.Yes,youcanB.No,youcantC.Yes,IcanD.No,IcantMatchthetwopartstomakesentences.Thenmakemoresentenceswithcan.3bAhencanlayeggs.Aturtlecanswim.Acrocodilecanwalk.Asnakecanclimbatree.Completethepassagewiththewordsinthebox.3cislikestoplaycanplaycanspeakcantspeakcanevenmakeiscanspeaklikestoplaycantspeakcanplaycanevenmake1.记住3a表格中的句子。2.复习整理本课语法，并做出思维导图帮助记忆。3.学会用can或can’t表达自己的能力。*ReviewGrammarFoucusObjectivesLead-inListeningPre-listeningWhile-listeningPost-listeningReadingPre-readingWhile-readingPost-readingWritingPre-writingWhile-writingPost-writingLanguagePointsExerciseGroupWorkSummaryHomeworkHomeworkUnit5FunClubsSectionA(3a—3d)Whatclubdoyouknow?Canyouplayping-pong/chess?Canheplayviolin?Lookattheverbsinbold.Dotheychangeform?3aObserveandThink.1）can后的动词形式有什么特点？2）can随人称变化而变化吗？3）can的否定形式是什么样的？有缩略形式吗？4)can在一般疑问句和特殊疑问句中需要借助动词吗？情态动词（Modalverbs）定义：表示说话人对动作的态度，比如：需要，可能，意愿，猜测或者怀疑等等。情态动词主要有下列：can(could),may(might),must,need,oughtto,dare(dared),shall(should),will(would)?情态动词主要特征1.具有助动词作用，可以用来构成否定句，疑问句及用于简单回答。2.后接动词原形，接不带to的不定式。3.无人称和数的变化。情态动词cancan是情态动词，意思是“能;可以”，不能独立作谓语，只能与其他动词(原形)一起构成谓