He must have been sent to the hospital 改反意疑问句
问题描述:
He must have been sent to the hospital 改反意疑问句
是didn't he 还是 wasn't he
答
当must用来表示对过去的情况进行“推测”(must + have done)时,如强调对过去情况的推测(一般句中有过去的时间状语),反意疑问句部分要用“didn’t + 主语”;如果强调动作的完成(一般没有过去时间状语),反意疑问句部分要用“haven’t / hasn’t + 主语”.
例 She must have read the novel last week, didn’t she? 她上星期一定读了这本小说了,是吗?
You must have told her about it, haven’t you? 你一定把这事告诉她了,是吗?
你这一题如果句子后面还有表述时间的词的话,应该用didn't he.如果没有,应该是hasn't he.
wasn't 是不能用在此处的.