情态动词本身有一定的词义,表示说话人的情绪,态度或语气。情态动词没有人称和数的变化。can是情态动词其中之一,表示“能,会”。基本用法1、表示能力(如体力和脑力方面)意为“能力、会”。CanHanMeispeakEnglish?韩梅会说英语吗?CanLisaplaythepiano?丽萨会弹钢琴吗?2、表示请求或许可。Youcan’tplaybasketball.你不能打篮球Canyou……?意为“请你…..好吗?”表示说话人的请求Canyouhelpme?你能帮助我吗?CanI…..?意为“我可以…..吗?”用来询问对方的许可,可以在句末加please使之更有礼貌3表示可能Hecanbeathomenow.他现在可能在家Themooncan'talwaysbefull.月亮不可能常圆含情态动词can的否定句,直接在情态动词can后加not,成为cannot,缩写为can’t。singswimrideabikeShecansing.Hecanswim.Theycanrideabike.Shecannotsing.Theycannotrideabike.Hecannotswim.一、否定句二、把下列句子变为否定句。1、Linglingcanrideahorse.2、HecanspeakChinese.3、LinglingandDamingcanplaythepiano.4、Myfathercanplaytabletennis.5、Shecanswim.can’tcan’tcan’tcan’tcan’t情态动词can,即表达“某人会(不会)做某事”用“can(can’t)+动词原形”。含情态动词can的一般疑问句,直接将can提至句首,首字母大写,原主语的首字母改成小写,第一人称变为第二人称。回答的主语和问句的主语要一致。PS:有时根据句意可用Yes/OK/Certainly作肯定回答,用No/sorry来作否定回答。一般疑问句:三、把下列句子变为一般疑问句并作肯定和否定回答。1、Linglingcanrideahorse.2、IcanspeakChinese.CanLinglingrideahorse?Yes,shecan./No,shecan’t.CanyouspeakChinese?Yes,Ican./No,Ican’t.3、LinglingandDamingcanplaythepiano.4、Myfathercanplaytabletennis.CanLinglingandDamingplaythepiano?Yes,theycan./No,theycan’t.Canyourfatherplaytabletennis?Yes,hecan./No,hecan’t.四、Listentothetape,andthenfillintheblanks.Betty:Lingling,___youplayfootball?Lingling:Yes,I____.Ican_____footballandI____play_____.ButI____play_________.Betty:_____youridea____?Lingling:No,I_____.____Ican______.cancanplaycantenniscan’tbasketballCanhorsecan’tButswim五、Speaking1、Saywhatyoucandoandcan’tdo.2、Workinpairs.Askandanswer.Findoutwhatyourfriendcando.(sing,swim,rideabike,rideahorse,playthepiano,playbasketball,playfootball,playtabletennis,playtennis…)1、贝蒂会说英语,但她不会说汉语。Betty________English,____she____speakChinese.2、你的朋友会骑马吗?——会。____yourfriends____________?Yes,____can.3、那个女孩不会打网球。Thegirl________tennis.4、托尼会游泳吗?——不会。____Tony____?No,he____.5、他们会弹钢琴。They________the____.canspeakbutcan’tCanrideahorsetheycan’tplayCanswimcan’tcanplaypiano1、Canyouplay____piano?A、aB、anC、the2、Canyoudance?yes,I____.A、doB、canC、can’t3、CanheWriteEnglish?No,he____A、canB、can’tC、does4、I__rideabike,butI____driveacar.A、can,canB、can’t,can’tC、can,can’t5、Shecan_____basketball.A、playB、playingC、playsACBBCSeeyou!