Module 8 Unit 3 Language in use 课件24张PPT

Module 8 Accidents Unit 3 Language in use Past continuous with adverbial clauses (when, while) Watch and observe. 1 2 3 4 1. What’s the difference between sentences 1, 2 & 3, 4? 2. What’s the difference between 3&4? 3. How did the verbs change? Observe the following examples carefully. Pay attention to the words in color. 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. 4. One day, when Henry was working in a restaurant, a snake suddenly appeared and bit his hand. 5. While the snake was lying on the table, Henry quickly picked up his mobile phone and took a photo with it. 6. As the doctors were checking him, the pain got worse. 7. As he was lying there in great pain, Henry suddenly remembered the photo. 1. While the lights _____ (change) to red, a car suddenly _____ (appear) round the corner. 2. When Henry _____ (try) to find the snake, his hand _____ (begin) to hurt badly. 3. I _____ (try) to pick it up when it ___ (bite) me again. 4. One day, when Henry _____ (work) in a restaurant, a snake suddenly _____ (appear) and ___ (bite) his hand. 5. While the snake _____ (lie) on the table, Henry quickly _____ (pick) up his mobile phone and _____ (take) a photo with it. 6. As the doctors _____ (check) him, the pain ____ (get) worse. 7. As he _____ (lie) there in great pain, Henry suddenly _____ (remember) the photo. were changing was trying was trying was working appeared began bit appeared bit go was lying were checking was lying picked took got remembered Ready? 过去进行时表示在过去某一时刻或某一时间段正在进行的动作，可以和 when, while, as 引导的过去时间状语从句连用。 1) When I met him, he was playing with his son. 我遇见他时，他正在和他儿子玩。 2) While I was doing my homework, my sister was listening to music. 当我在做作业时，我妹妹在听音乐。 3) As he was lying in bed, the telephone rang. 他躺在床上时，电话铃响了。 本课我们主要来分析when和while从句与过去进行时连用的情况。 when和while引导的时间状语从句区别 I： 动词 时间 状语 when引导的时间状语从句 while引导的时间状语从句 终止性动词或延续性动词 延续性动词 指时间点或时间段 时间段 when和while引导的时间状语从句区别Ⅱ： 由when引导的时间状语从句，若主句用过去进行时、从句用一般过去时，则表示一个动作正在进行的时候另一个动作(突然)发生了，强调后一动作发生的突然。 例如： We were talking when the teacher came in.? 我们正在讲话，老师(突然)进来了。 这句话也可以用while来表达，但与when表达有细微的区别，请注意体会： While we were talking, the teacher came in. 我们正在讲话的时候，老师进来了。(只表示老师进来的事实，不强调突然性。) 当主句和从句的动作都是延续性的或同时发生的，两句都用过去进行时的时候，通常用while引导从句。 1) They were singing while we were dancing.? 他们在唱歌，我们在跳舞。 2) They were reading while we were writing. 他们在读书，我们在写字。 when和while引导的时间状语从句区别 Ⅲ： 以下部分为课本练习，供老师在对答案时选择使用。 1. He was listen ... ...