环球观热点:what if书_what if的用法

日期:2023-05-05 11:51:52 来源:互联网


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1、what if =what do you do if如果... , 会怎样?if 是用来假设一个状况: If[状况], then[后果]. 状况子句要用过去式(did), 后果子句用过去未来式(would do).举例问: What if you cloned yourself in the laboratory?答: Then I would play chess games with my clone. could 是can的过去式, 所以用在状况子句. would 是用在后果子句.举例问: What if you could combine a cow and a tiger?答: Then there would be a new animal specie.。

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