有情态动词的肯定句变一般疑问句的问题 - 柯帕斯英语网

有情态动词的肯定句变一般疑问句的问题

将下列各句变为一般疑问句 They must have carried out their production plan for this year ahead of time. 老师是这么变吗?Must they havecarried out their production plan for this year ahead of time? You needn’t have gone there yourself with those papers at all. 老师是这么变吗? Needn’t you have gone there yourself with those papers at all?

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分类：句法问题

最佳答案 2020-10-24 16:49

1 They must have carried out their production plan for this year ahead of time.

Can they have carried out their production plan for this year ahead of time?

Have they carried out their production plan for this year ahead of time?

must表示推测意义时，不能用于否定句和疑问句。

2 You needn’t have gone there yourself with those papers at all.

Need you have gone there yourself with those papers at all?

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擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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shaoruyi1234 提出于 2020-10-12 09:43