英语从句时态 如 宾语从句主将从现 主过从过 还有些时态是怎么问的呢?

时间状语从句和条件状语从句,主句用一般将来时,从句用一般现在时.如：
I will call you as soon as he comes back.他一回来我就给你打电话.
I won't go there if it rains tomorrow.如果明天下雨我就不去那里了.