宾语从句的主句如果不是一般现在时 过去时 从句应该用什么时态?例如主句是现在完成时从句用什么时态?
问题描述：
宾语从句的主句如果不是一般现在时 过去时 从句应该用什么时态?例如主句是现在完成时从句用什么时态?
答
主句是过去式或过去完成时（与过去有关），从句一定要用过去时的相关时态（客观真理除外）
除了这个情况，从句的时态不受主句影响，应该看具体情况。
答
简单举四个例子
I know you are right.
I knew you were right.
I have known you are right.
I had known you were right.
补：讲一个大多数同学忽略的事实，现在完成时属于现在时，过去完成时属于过去时，还是举例子I couldn't remember where I --A----yesteday.A,went B have gone 明白前面所讲现在完成时属于现在时的同学肯定不会问为什么不选B了。
答
主句是一般现在时,从句什么时态都行eg:He says that he is reading a book now.主句是一般过去时,从句用过去范畴的时态eg：He said that he would work hardeg:They said the had been to France这两个我举的例子从...