问题
选择题
— What great trouble I have solving this problem now！
—_____ my advice, you ________less trouble.
A．If you had taken, would have had
B．If you took, would have
C．If you had taken, would have
D．If you take, will have
答案
答案：C
这是一个混合型的虚拟语气。主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形式因时间不同而不同，从句与过去事实相反的假设，而主句是与现在事实相反的假设。说话者现在解决问题有困难，是因为（过去）没有听从建议。