Period2Period2drawDraw,draw,Icandraw.Icandrawapicture.readRead,read,Icanread.Icanreadalittlebook.danceDance,dance,Icandance.Icandanceverywell.swimSwim,swim,Icanswim.Icanswimveryfast.singSing,sing,Icansing.IcansinganEnglishsong.Canyouswim?Yes,Icanswim.Canyouread?Yes,Icanread.Canyousing?Yes,Icansing.Canyoudraw?Yes,Icandraw.Canyoudance?Yes,Icandance.Canyouspeak?No,Ican’t.But,Icanjump.Canyouread?No,Ican’t.But,Icanwrite.Canyouwrite?No,Ican’t.But,Icandraw.Canyoudraw?No,Ican’t.But,Icanread.Canyousing?No,Ican’t.But,Icandance.Canyoudance?No,Ican’t.But,Icansing.Canyouswim?No,Ican’t.But,Icandance.Canyouwrite?No,Ican’t.But,Icandraw.Canyousing?No,Ican’t.But,Icandraw.Canyouwrite?No,Ican’t.But,Icanswim.Canyouswim?Yes,Ican.Canyouswim?No,Ican’t.ButIcandance.Cansheswim?No,shecan’t.Butshecandance.Canyouswim?No,Ican’t.ButIcandance.Canyoudraw?No,Ican’t.ButIcanwrite.Canyousing?No,Ican’t.ButIcandance.Canyoudance?No,Ican’t.ButIcandraw.Canyou···?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。can是情态动词，表示“能，会”。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。含情态动词can的一般疑问句，直接将can提至句首，回答的主语和问句的主语要一致。情态动词can没有人称和数的变化，即表达“某人会（不会）做某事”用“can(can’t)+动词原形”。
