can-的用法课件

四年级（上）Module4Can的用法荥经严道二小郑月华Can到底是怎么样的词？1.can是情态动词，表示说话人的情绪，态度或语气的动词，can意思：能/会。2.can不能单独作谓语，只能和其他动词原形构成谓语。即：can+动词原形。3.有can的句子变否定句，在can后加not,即：cannot=can’t,意思：不能/不会。4.有can的句子变一般疑问句,把can放句首。____________________________________________________________________________———————Can的肯定句runfast(跑得快)HeisLiuxiang.Hecanrun.Hecanrunfast.jumphigh（跳得高）Shecanjumphigh.jumpfar（跳得远）Shecanjumpfar.ridefast(骑得快)Theycanridefast.小结：can的肯定句结构：主语+can+动词原形.Can的否定句Lookatthatboy,hecan’tswim.Lookattheboy,hecanswim.Help!Help!Lookatthedog,itcanrunfast.Lookattheturtle,itcan’trunfast.Lookatthekids,theycanskate.Lookattheman,hecan’tskate.小结：can的否定句结构：主语+can’t+动词原形.Can的一般疑问句Amy:Look,thefishcanswim.Canyouswim?Lingling:Yes,Ican.Amy:Look,thebirdscanfly.Canyoufly?Sam:No,Ican’t.Amy:Sam,canthebearrideabike?Sam:Yes,itcan.Look,thebearcanrideabike.Amy:Hahaha…小结：can的一般疑问句结构：Can+主语+动词原形？Yes，主语+can.No,主语+can’t.Fillintheblankswith“can”or“can’t”.1)Thedog______swim,It_____run,too.2)Thecat______jump,butit_____fly.3)Thefish_____run,butit_____swim.4)Liuxiang_______runfast.5)DengZiqiisasinger.She____sing.6)I_____rideabike.I_____fly.cancancancan’tcan’tcancancancan’tcan请同学们思考一下:今天学了（）的用法。Can是情态动词，意思是（）；Can后跟（词）；变否定，can+()=()；变疑问，can提到（）can能、会动原形notcan’t句子开头