I learned that Beijing will have a clear sky.语法对么?为什么是用will而不是would呢?

问题描述:

I learned that Beijing will have a clear sky.语法对么?为什么是用will而不是would呢?

应该用 would
主句是一般过去时,从去应用 过去将来时、 过去将来时 就是 would+ 动词原形.
不明白的再问哟,请及时采纳,多谢!但是这是剑桥书上写的例句.....