请问Shall/May/Can/Must I 的肯定和否定回答是什么
问题描述：
请问Shall/May/Can/Must I 的肯定和否定回答是什么
答
shall:No,you can't. Yes,you can.
may:No,you can't.Yes,you may.
can:No,you can't.Yes,you can.
must:No,you needn't Yes,you must.