may改否定句为什么用must not

may改否定句为什么用must not May has some nice kites.( 用助动词)改否定句 为什么改否定句要在be动词后not? May drow some trees 改否定句 You must wait.(怎么改否定句) You must wear uniforms.改否定句 用must构成的肯定句,转换为否定句must怎么改? must,may提问的答语是什么?肯定句...否定句... Tom may know the girl's name.改否定句 You must finish your home work改否定句应该用mustn't还是needn't must you clean your classroom every day?改否定句 Must.I.go.home.now?改否定句 I must go to school now改否定句 把they must go now改为否定句,怎么改? 对May的否定回答是Must not还是Need not 英语中should,would,must,need,can,may怎么用?否定句呢?这些词有什么区别吗， 用 can may must have to及否定形式填空 must的否定除了need not,还有什么,肯定回答是什么,may和need呢