状 语 从 句 练 习 题 1 现 代 教 育 状语从句 1. 在主从复合句中修饰主句中的动词，形容词，副词等的从句叫状语从句。可分为，时间状语从句，地点状语从句，原因，目的，结果，条件，让步，比较和方式状语从句。 2. 时间状语从句 起时间状语作用的句子； 可放在句首，句中和句尾 常用引导词：when，while, as, after, before, since, till, until, the moment, hardly … when , no sooner … than w hen, w hile, as 的用法 1) when 用法最广，常可代替 while 和 as, 在while 引导的从句中，动词只能是延续性的 When the fire broke out, all the students were sleeping soundly. The telephone rang while I was taking a bath. 2) 当两个表示时间延续的动作同时发生而又有对比意味的时候，用 w hile，在这样的复合句中，主句从句的时态通常是相同的。 Father was preparing a report while I was playing PC games. 3) 常用 as 的情况：一边…一边；表示随着短暂动作的发生，另一行为伴随发生 As he talked on, he got more and more excited. They talked as they walked along the river. My cap was blown away as I sat down. until 和 till 的用法 表示“一直到…”时，主句和从句都用肯定式； I will wait until/ till the concert is over. 表示“直到…才…”是，主句用否定，从句用肯定式。 They can’t go until Sunday. since 的用法 since 引导的从句中，如果是持续性动词，往往理解为某一状态的终止。 He has written to me frequently since he was ill. 自从他病好以来，他常写信给我。 It’s been a year ever since I worked here. 主将从现。时间状语从句一般不用将来时。因此如果主句是将来时，时间状语从状 语 从 句 练 习 题 2 现 代 教 育 句一般要用现在时。 We’ll start when the team leader comes. 一… 就… 的几种常用的表示方法 1） as soon as As soon as he heard the news, he jumped with joy. 2） Immediately I’ll give you an answer immediately I’ve finished reading your file. 3） Directly Directly you feel any pains, you must go to the doctor. 4）...
