问题描述:
情态动词could与must表推测时反意疑问句一样吗.
He must be at home,isn't he 但He could be at home还是He could be at home ,isn't he 若句中不是be而是实义动词呢,试例子:
He must be at home,isn't he 但He could be at home还是He could be at home ,isn't he 若句中不是be而是实义动词呢,试例子:
问题解答:
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