If Tom have studied harder before,he____(pass)the examination las_英语解答

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

人气：234 ℃　时间：2019-08-20 23:14:11

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