當(dāng)must用來(lái)表示對(duì)過(guò)去的情況進(jìn)行“推測(cè)”(must + have done)時(shí),如強(qiáng)調(diào)對(duì)過(guò)去情況的推測(cè)(一般句中有過(guò)去的時(shí)間狀語(yǔ)),反意疑問(wèn)句部分要用“didn’t + 主語(yǔ)”;如果強(qiáng)調(diào)動(dòng)作的完成(一般沒(méi)有過(guò)去時(shí)間狀語(yǔ)),反意疑問(wèn)句部分要用“haven’t / hasn’t + 主語(yǔ)”.
例 She must have read the novel last week, didn’t she? 她上星期一定讀了這本小說(shuō)了,是嗎?
You must have told her about it, haven’t you? 你一定把這事告訴她了,是嗎?
你這一題如果句子后面還有表述時(shí)間的詞的話(huà),應(yīng)該用didn't he.如果沒(méi)有,應(yīng)該是hasn't he.
wasn't 是不能用在此處的.
He must have been sent to the hospital 改反意疑問(wèn)句
He must have been sent to the hospital 改反意疑問(wèn)句
是didn't he 還是 wasn't he
是didn't he 還是 wasn't he
英語(yǔ)人氣:851 ℃時(shí)間:2019-10-25 18:23:01
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