Question

You didn’t let me drive. If we ______ in turn, you ______ so

Answer 1

B

考查虚拟语气。句意：你让我开。如果我们轮流开车，你也不会变的如此累。因为与过去时相反，if引导的从句应用过去完成时，

时间

从句谓语形式

主句谓语形式

将来

动词过去式(be用were)

should + 动词原形

were to + 动词原形

would / should / might / could + 动词原形

现在

动词过去式(be 用 were)

would / should / might / could + 动词原形

过去

had +动词过去分词

would / should / might / could have + 动词过去分词

故选B。