用Must be/do或Can't be/do改句子.

用Must be/do或Can't be/do改句子. 第一道的题目是：用Must be/do 或Can't be/do改写句子 第二道上面有 英语填空题 can`t be,might be,must beIt ____ that difficult,even my little brother knows how to do it.用 can`t be,might be,must be填空 存在can be/must be ,can’t be 而没有mustn't be can't be 与 must be的区别 What can't be cured must be endured may,might,can,could的四个区别.must‘t,can’t的区别.①什么时候用may,might,can,could.②must‘t,can’t的区别③may,need,must在不同句式中的否定形式④什么时候用may/might 或can/could⑤什么时候用may be/might be can be 我知道can't be 一定不是 是must be 一定是的否定形式 为什么must be的否定式是can't be而不是mustn't be can be.must be区别may be Where is han mei?Do you know She ( )in the school library,but I don't sureA.can be b.may be c.maybe d.must be 1.He ___ Mr.Black.He is taller.(用can't,can't be,must,must be,don't have to,1.He ___ Mr.Black.He is taller.(用can't,can't be,must,must be,don't have to,needn't其中的一个填空,请说明一下选这个词的理由)2.You can _______ the teacher there must be something you can do 中文意思是什么 be,must be,can't have been,must have been吗 It must be yours.改为否定句怎么改啊?是用mustn't be还是用can't must be,may be,can't be 表推测的意思 并造句 may be后加动词的什么形式还有can't be must be等 can't be和must be 后是动词be去不去