2024年中考英语复习时间状语从句课件

时间状语从句 1 时间状语从句 She is reading now. She is reading a book under the tree. She speaks English very well. 在句子中用来说明动作（谓语动词）发生的时间，地点，方式，原因，程度等等，对谓语动词进行补充修饰说明作用的这一类成分的，我们称之为“状语” She is reading now.这一句话中now是用来说明动作（reading）发生的时间的，我们就把now 称为时间状语. She is reading at the moment. She is reading when I come into the room. 用一个句子充当另一个句子的时间状语，那么这个做时间状语的句子叫做“时间状语从句”，另一个句子叫主句。 连接主句与状语从句的连接词 since while as soon as when after before until 4 When I went out, it started to rain. Part A（时间状语从句） Part B (主句) 从句可以放在主句前，也可以放在主句后。当从句置于主句前时，从句后应加逗号（,）但如果放在主句后则不必。 连词的位置 When I went out，it started to rain. 我出去的时侯，天下起了雨。 It started to rain when I went out. 我出去的时候，天下起了雨。 1 1.暗示一种规律性，表示“每当...时候” When the weather is fine, many people go out for a walk. She smiles when you praise(夸赞） her. When 2.主句和从句描述的动作和事情可以同时发生，也可以先后发生。 When he had finished his homework, he took a short rest. When I got to the airport, the guests had left. When she was singing , we all lost ourselves in her beautiful voice. 6 be doing...when...: 正在做...突然... be going to do sth/be about to do sth...when...刚要做...突然.. had just done...when....刚做完...突然... 3.When的特殊用法:正在/刚要/刚做完…（突然……） He was still smiling when the door opened and his wife came in. 他正笑着的时候，门突然开了，他妻子走了进来。 I was thinking of this when I heard my name called. 我正想着这件事时，突然听到有人叫我的名字。 We were about to start when it began to rain. 我们刚要出发就开始下雨了。 We had just fallen asleep when the bell rang. 我们刚刚入睡，铃声就响了起来。 He had just arrived when he had to leave again. 他刚刚到达就又要离开了。 7 2 1. 强调某一段时间内主句和从句中谓语动词所表示的动作在同一时期发生。由于while从句表示一个持续的行为，所以从句中要用持续性动词，并且持续性动词常用进行时态。 While While they were crossing the Atlantic, many people died. Don’t making any noise while I am recording. While my wife was reading the newspaper, I was watching TV. 2.While还可以表示一种对比 He is strong while his brother is weak. 8 When 和 While 的区别 当 when 和 while都可以表示“当…时”，但 when 后面的动词可以是延续性动词或非延续性动词，但 while 后面的动词必须是延续性动词。 延续性动词： When/While study, stand, sleep,stay,sing lie, walk, keep, live,have, wait, wa