用must,need以及needn't和mustn't开头的疑问句回答的肯定和否定回答形式是什么?_英语解答

用must,need以及needn't和mustn't开头的疑问句回答的肯定和否定回答形式是什么?

人气：284 ℃　时间：2019-08-21 03:19:05

解答

Must I do that?Yes,you must; No,you needn't
Need I do that?Yes,you must; No,you needn't
Needn't I do that?Yes,you must(不,你必须这么做)；No,you needn't(是的,你不必这么做)
Mustn't I do that?Yes,you must(不,你必须这么做)；No,you needn't(是的,你不必这么做)