1、You mustn't play at the crossing road.(变成祈使句） 31、You mustn't play at the crossing road.(变成祈使句）3、These are my boxes.（变成一般疑问句）3、Betty is not at home now.(对画线部分提问）4、It's clean classro

you mustn’t play football on a busy street否定祈使句 Johnny,you _____ play with the knife,you _____ hurt yourself.　　A.won’t; can’t 　　B.mustn’ can i play football onthe road?no you[].A; can,t B can not C mustn,t D don,t you play withfire ,jack.it dangerous A needn't b may not c mustn't d wouldn't You mustn't play football on the road改为祈使句 you mustn’t play football in the street.改成祈使句 you mustn't play on the road,--- 反意疑问句 You mustn't play football here.(改为祈使句) 改为祈使句哦!You mustn't play football here. you mustn't play with fire 怎么提问 You mustn't play with marth改为祈使句 Tom,you play with the knife,you hurt youself.A.won't;can't B.mustn't;may C.shouldn't;must D.can't;shouldn't Johmy,you( )play with the knife ,you( )hurt yourself.A.wom`t;can`tB.mustn`t;mayC.shouldn`t;mustD.can`t;shouldn`t You’d rather work than play,_____ you?A.hadn’t B.wouldn’t C.didn’t D.mustn’t 这个怎么填,为什么啊 You mustn't play football in the street.There is too much t_.A car may h_you. Shall we play football here No you _______.A shan't B can't C may not D mustn't问题补充：The giShall we play football here No you _______.A shan't B can't C may not D mustn't问题补充：The girl must have a twin sister,____ she?A mustn't Bisn May I play Computer Games ,mum?No,you ( ).you've got a lot of homwork to do.A needn't B mustn'tC don't D shouldn't you ____ play games in the busy street A mustn't B needn't C won't D haven't to