2019年中考语法 状语从句 (共39张PPT)

状语从句 中考英语语法专题 用一个句子充当状语成分，那个句子 就是状语从句。 状语从句 状语从句同副词，介词词组等作状语一样，用于修饰谓语，说明谓语动作的时间，地点，方式，手段，条件，程度，比较，原因，目的，结果等 I get up at 6:00 It is dark I get up when it is dark 1.时间状语从句 I was watching TV at ten o'clock yesterday. I was watching TV when my mother got home. ---------------------------- ↓ 时间状语 ---------------------------- ↓ 时间状语从句 1. 时间状语从句的引导词： when（当……时候）, while（当……时候）, before（在……之前）, after（在……之后）, till/ until（直到）, as soon as （一……就……）， as（当……时,一边……,一边……）, since（从……以来）, by the time （当……时候）等引导。 在忘记之前,我要把它写下来。 我一到上海就会写信给你。 我们一直到雨停了才离开。 We didn’t leave until the rain stopped. As soon as I arrive in Shanghai, I will write to you. I’ll write it down before I forget it. 2.在时间状语从句里，当主句是一般将来时， 从句用一般现在时。① I’ll ring you up as soon as I get to New York. I will tell him everything when he comes back. He won’t believe it until he sees it with his own eyes. when :当……时候, 通常指某一特定的时间点，主句与从句的动作同时发生。 When I opened the window, I saw him come up. When I have time , I will go to see you. When I came h