高考英语语法一轮复习 状语从句课件(共58张PPT)

状语从句 1. 概念 ： 在句中作状语用的从句叫状语从句。 作用： 状语从句可修饰谓语，非谓语动词、定语、状语或整个句子。 3. 引导词 ：引导状语从句的一般为连词，也可有词组。 5. 分类： 时间、地点、原因、目的、结果、 条件 、让步、方式、比较等九种。 4. 位置 ： 状语从句可以在句首，也可在句中或句末。 一 。 时间状语从句 When 的用法 3 When 即可以引导一个持续性动作，又可引到一个短暂行动作。可用以表示主从句动作同时发生或从句动作先于主句。 (既可引导时间点又可引导时间段) I was thin when I was a child. The film had been on when we arrived. 2. be about to do … when … be doing … when… be on one’s way … when … be on the point of doing …when… had done … when… “ 在那时”,表示某件是正在发生或刚刚发生，另一动作同时发生 The telephone was ringing when I got home. I was about to go to bed when he came back. We were just __ calling you up __ you came in. about ; when B. on the point of ; while C. on the point of ; when D. on the point of ; as 3. When 还以引导条件状语从句相当于if How can I explain it to you when / if you won’t listen. When you read it again, the meaning will become clearer to you. While 的用法 3