什么时候在英语中用主将从现的语法，请具

Question

如题所述

Answer 1

状语从句（时间状语从句和条件状语从句）都用主将从现,常见的引导词有：when , as soon as , not until , if 等
如：
I will call you as soon as I get there.
We will go for picnic if it doesn't rain tomorrow.

Answer 2

有时间状语从句，条件状语从句的复合句。