8.We moved to the front row so that we could hear and see better.为什么是 we chould 不是 we can?

问题描述:

8.We moved to the front row so that we could hear and see better.为什么是 we chould 不是 we can?

could是can的过去式啊,前面主句用了过去时,后面从句也保持时态一致用过去时了