If Tom have studied harder before,he____(pass)the examination last week.是would pass么?还是别的?

If Tom have studied harder before,he____(pass)the examination last week.是would pass么?还是别的?
英语人气:285 ℃时间:2019-08-20 23:14:11
优质解答
would have passed
你前面的have打错了吧?应该是had
这个是if引导非真实条件句,用虚拟语气.——对过去的虚拟:从句的谓语应该是had done,主句的谓语是would have done
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