关于may、must、need疑问句的回答. 越详细越好.

关于may、must、need疑问句的回答. 越详细越好.
关于may、must、need疑问句的回答. 越详细越好.

关于may、must、need疑问句的回答. 越详细越好.
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't.