(
课件网) Unit 5 What were you doing when the rainstorm came 第三课时 Section A (Grammar Focus－4c) 情景导入 1. —What were you doing at eight last night — I _____ _____ a shower. was taking Look and fill in the blanks 2. — What was she doing at the time of the rainstorm — She _____ _____ her homework. was doing 3. —What was he doing when the rainstorm came — He _____ _____ in the library when the rainstorm came. was reading 4. — What was Ben doing when it began to rain heavily — _____ it began to rain, Ben was helping his mom make dinner. When 5. — What was Tom doing while Linda was sleeping — _____ Linda was sleeping, Tom was helping Jane with her homework. While 生成新知 Grammar Focus What were you doing at eight last night I was taking a shower. What was she doing at the time of the rainstorm She was doing her homework. What was he doing when the rainstorm came He was reading in the library when the rainstorm came. What was Ben doing when it began to rain heavily When it began to rain, Ben was helping his mom make dinner. What was Jenny doing while Linda was sleeping While Linda was sleeping, Jenny was helping Mary with her homework. 过去进行时 定义：表示过去某个时刻或某一时间段内正在进行或发生的动作。 时间标志词 at this/that time yesterday, at 9:00 yesterday morning, all night等； 或以when, while 引导的时间状语从句。 构成：was/were+动词-ing形式 基本结构：主语+was/were + doing +其他。 否定形式：主语+wasn’t/weren’t +doing+其他。 一般疑问句：Was/Were+主语+doing+其他？ 肯定回答：Yes, 主语+was/were. 否定回答：No, 主语+wasn’t/weren’t. 特殊疑问句：特殊疑问词+ was/were +主语 +doing+其他？ 以when和while引导的时间状语从句 相同点：when和while均可作连词，意为“当……的时候”，引导时间状语从句。 1. when的用法 (1) 指时间点，也可指时间段，其从句的谓语动词 既可以是延续性的，也可以是非延续性的。 当交通灯是绿色的时候，你可以过马路。 You can walk across the street when traffic lights are green. (2) 引导的从句的谓语动作既可与主句谓语动作同时发 生，也可以是之前或之后发生。 迈克给我打电话时，我正在跟乔讨论一道数 学题。 I was discussing a math problem with Joe when Mike called me up. (3) 若主句是一般将来时，从句用一般现在时表示将来。 我到了上海会给你打电话。 I’ll call you when I arrive in Shanghai. 2. while的用法 (1) 指时间段，其从句的谓语动词必须是延续性的。 请在你的父母健在的时候爱他们，不要等到 一切都太迟了。 Love your parents while they are alive. Don’t wait until it is too late. (2) 强调主句动作发生时，从句动作正在进行，常用 while引导从句。主句常用一般过去时或一般现在 时，从句常用进行时。 当我正在河边钓鱼时，我看到附近有一 条空船。 While I was fishing by the river, I saw an empty boat nearby. (3) 强调主、从句动作同时进行，常用while引导从句， 此时主从句常用进行时。 康康在上音乐课的时候，Darren在爬山。 Darren was climbing a mountain while Kangkang was having a music lesson. John Mary take photos walk towards the shop play the piano leave the house clean his room turn on the radio shop take ... ...
