Module 8 Accidents Unit 3 Language in use 课件31张PPT

英语（外研版） 八年级上册 English Module 8 Accidents Unit 3 Language in use Language practice While the lights were changing to red, a car suddenly appeared round the corner. When Henry was trying to find the snake, his hand began to hurt badly. I was trying to pick it up when it bit me again. 1 课堂导入 过去进行时(二) 在上一模块中，我们学习了过去进行时态可以表示过去某一时刻或时段正在进行或持续的动作。常与 on yesterday morning, at that time, last night 等时间状语连用。过去进行时还可以和when, while 引导的过去时间状语从句连用，形成复合句。 Grammar when, while, as 作连词时用法有所不同: 1. when 和while 引导的从句在用法上的区别如下: (1) when引导的时间状语既可以指时间点，也可以 指时间段。while 引导的时间状语只指时间段。 我正试图抓住它，这时它再次咬了我。 I was trying to pick it up when it bit me again. 昨天早上我在公交车站等车时，遇见了我的朋友埃米。 While I was waiting at the bus stop yesterday morning, I met my friend, Amy. (2) when 引导的时间状语从句中动词可用延续 性动词，也可用短暂性动词。while 引导的 时间状语从句中动词必须是延续性动词。 我们正在交谈，这时，老师进来了。 We were talking when the teacher came in. 我们正吃晚饭时，他们来了。 They arrived when/while we were having dinner. (3) when 引导的时间状语从句与主句的时态: 主句 when 从句 过去进行时 一般过去时 一般过去时 过去进行时 (4) while 引导的时间状语从句与主句的时态: 主句 while 从句 一般过去时 过去进行时 过去进行时 过去进行时 1 He was listening to music _____he was riding his bike. 2 I was waiting at the lights _____I saw the boy fall off his bike. Complete the sentences with when or while. while when 3 I was walking in the street _____ an accident happened. 4The driver was talking on his mobile phone _____ he was driving. while when 2 课堂活动 01 Look at what Tony did last Saturday. Complete the You column. Time Tony You 8:30am—11:30am playing in the park visiting my grandparents 12:30pm—1:30pm having lunch with his friends 2:00pm—4:00pm playing football 5:00pm—6:30pm doing homework 02 Now write sentences. Follow the example below. Last Saturday while Tony was playing in the park, I was visiting my grandparents. Complete the conversation with the correct form of the words in the box. appear bite show throw Doctor: When did the snake (1) _____ you? Henry: Earlier this morning. It suddenly (2) _____ in front of me and bit my hand. appeared bit Doctor: Can you (3) _____ me a photo of it? Henry: Yes. Here it is. Doctor: Oh, the snake was on s table. Henry: Yes. I (4) _____ it on the table after it bit me. show threw 03 Complete the passage with the correct form of the expressions in the box. fall off just in time pay attention side by side When the girl was riding her bike _____ with a friend, she had the accident. They were talking and they weren’t _____. A car came round the corner but stopped _____. The car didn’t hit her, but she _____ her bike. side by side paying attention just in time fell off 04 Complete the news report with the correct form of the words in brackets. Two planes (1) ... ...