摘要： 在反意问句中.表推测的情态动词不出现在简短问句部分,取而代之的应是情态动词应动词.句中有过去时间状语的.问句部分用过去时.否则.用现在完成时. 例如:He must have been there yesterday, wasn't he? He must have been there, hasn't he? He can't have been there yesterday, was he? He can't have been there, has he? 可以说.只要掌握以上几个结构的含义和用法.并且熟练运用.就可以在这个考点上得分.
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