can,may,need,must的肯定句,疑问句及其回答,特殊疑问句的结构.各举一例
问题描述：
can,may,need,must的肯定句,疑问句及其回答,特殊疑问句的结构.各举一例
像这样
can：肯定句.
疑问句：.
肯定回答：.
否定回答：.
特殊疑问句：.
答
may I do...?Yes, you may.No, you can't/ mustn't.Can I do sth?Yes, you can.No, you can't.Must I do sth?Yes ,you must.No, you needn't./ No, you don't have to .Need I do sth?Yes , you must.No, you needn'...