英语中虚拟语气的时态

Question

如题所述

Answer 1

之所以是虚拟语气，那就说明语气所表达的是与事实相反的。时态通常是在相应的时态下往前推一个时态。例如：主句是现在的虚拟，那么从句就用一般过去时；主句是过去的虚拟，那么从句就是过去完成时或者过去将来时。
例如：I would go out now if it were fine.
I would have gone out if it had been fine.
It seems as if it were snowy.
It seemed as if it had been snowy.

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Answer 2

mander could prevent