she must has been thirty 的反义疑问句

学习 时间:2026-09-28 16:51:07 阅读:5729
she must has been thirty 的反义疑问句

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平常的灰狼

明亮的大炮

2026-09-28 16:51:07

must have done:1,表示对过去的情况进行推测(一般句中有明确的过去时间状语),问句要根据陈述部分 谓语的情况用“didn't+主语”或“wasn't/weren't+主语”2,如果强调动作的完成(一般没有明确的过去时间状语),问句要用“haven't/hasn't+主语”。此处没有出现过去的时间状语,则用 hasn't+主语形式:She must has been thirsty,hasn't she?

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  • 喜悦的棒棒糖
    回复
    2026-09-28 16:51:07

    must have done:1,表示对过去的情况进行推测(一般句中有明确的过去时间状语),问句要根据陈述部分 谓语的情况用“didn't+主语”或“wasn't/weren't+主语”2,如果强调动作的完成(一般没有明确的过去时间状语),问句要用“haven't/hasn't+主语”。此处没有出现过去的时间状语,则用 hasn't+主语形式:She must has been thirsty,hasn't she?

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