Module 8 Unit 3 Language in use 课件 2023-2024学年外研版英语八年级上册

Module 8 Accidents Unit 3 Language in use 外研版英语八年级上册 1. While the lights were changing to red, a car suddenly appeared round the corner. 2. When Henry was trying to find the snake, his hand began to hurt badly. 3. I was trying to pick it up when it bit me again. 教材链接 语法探究 过去进行时(2) 1. 过去进行时和when, while, as引导的过去时间状语从句连用，形成复合句。 语法详解 常见结构如下： 引导词 常见结构 when Sb. was/were doing sth. when sb. did sth.；When sb. was/were doing sth., sb. did sth. while While sb. was/were doing sth., sb. did sth.;Sb. was/were doing sth. while sb. was/were doing sth. as As sb. was/were doing sth., sb. did sth. 2. when和while引导的时间状语从句的区别： (1)在when引导的时间状语从句中，谓语动词可以用延续性动词也可以用短暂性动词。如： ◇They arrived when we were having dinner. ◇We were talking when the teacher came in. (2)在while引导的时间状语从句中，谓语动词只能用延续性动词。此时，while与when通用。如： They arrived while/when we were having dinner. (3)主句(进行时)＋when＋从句(短暂性动词)：强调从句动作的突发性。如： We were talking when the teacher came in. (强调老师突然进来了) (4)主句(进行时)＋while＋从句(进行时)：表示两个动作同时发生。如： They were singing while we were dancing. 3.when和while引导的时间状语从句与主句的时态： 主句 when从句 while从句 一般过去时 过去进行时 过去进行时 过去进行时 一般过去时 过去进行时 一、单项填空。 ( )1. Lingling ________ a paper kite at 7：00 pm yesterday. A. makes B. is making C. will make D. was making D 课堂检测 ( )2. I was writing a letter to my friend ________ I heard the knock on the door. A. while B. when C. after D. if ( )3. I ________ computer games when my father came into my room last night. A. played B. playing C. play D. was playing B D ( )4. The driver was listening to music ________ he was driving. A. while B. when C. as D. before ( )5. Don't talk so loudly ________ others are working. A. while B. when C. before D. A and B A D 二、句型转换。 1. I was doing my homework. My parents were reading books. (合并为状语从句) _____________________________________________________________ 2. The boys were swimming. It began to rain. (合并为状语从句) ___________________________________________________________________________________________________