2023年中考英语状语从句总结课件

状语是用来表示状况的一种句子成分，用来描述事情发生的时间，地点，方式，目的等状况 He speaks English very well. I come specially to see you. She usually gets up at seven in the morning. The boy was praised for his bravery. She sits by the window,sewing . 当充当状语的部分是一个句子时，也就是状语从句 When she was 12 years old, she began to live in Dalian. 时间 01 02 03 05 07 08 09 种类 04 06 地点 原因 结果 条件 让步 比较 方式 目的 1.定义： 如果我们用一个从句来表达一件事情或一个行为发生的时间，那么这个从句就叫时间状语从句。 2.引导词： 时间状语从句 when/while/as; before/after; until; till since; as soon as... each time/every time/whenever when / while / as 当...时候 When you are crossing the street, you must be careful. I feel very happy when you come to see me. ①when 意为“当……时”，引导的时间状语从句表示主句的动作和从句的动作同时或先后发生。 ②when 引导的时间状语从句中，可以用延续性动词，也可以用短暂性动词。 He rushed in while they were discussing problems. While he was making a phone call,I was writing. ① while 意为“当……”时引导的时间状语从句表示主从句的动作在同一时期发生，常用延续性动词。 注意：while 也可以作并列连词，表转折的关系，相当于but，译为“然而” as: 一边....一边...... As I was doing my homework, I was playing on the phone. As they walked, they talked happily. 由when/while/as引导的时间状语从句区别 when 引导的从句的谓语动词 可以是延续性的，也可以是 非延续性的。 when （1）谓语动词必须是延续性的 （2）主句和从句的动作同时发生（或者相对应） （3）有时还可以表示对比。 while when while as 一般强调动作的同时发生， 解释为“一边…一边…” as as 1.I was watching TV ________ my brother was writing an email at home at this time last night. A．as soon as　　 B．after C．when D．while 2.I was cooking ___ I heard someone knocking at the door. A．as soon as B．when C．until D．while 3.Rose was doing her homework ______ the bell rang. A．as soon as B．when C．until D．while before / after Before climbed the mountain, we drank some milk. “在……之前”，表示主句的动作发生在从句的动作之前 After living in Paris for thirty years, he returned to the small town. “在……之后”，表示主句的动作发生在从句的动作之后 1.Laura went to school by bike ____she had breakfast at home. A．when　 B．after C．before D．while 2.Please take the medicine _________ you go to bed