1、 1 Unit 5 What were you doing when the rainstorm came Section A 3（ Grammar focus-4c） Step 1 Revision Look at the pictures and make up the sentences. Step 2 Grammar Focus 读下列句子，能否总结出句子中包含的语法？ 1. What were you doing at eight last night? I was taking a shower. 2. What was she doing at the time of the r
2、ainstorm? She was doing her homework. 3. What was he doing when the rainstorm came? He was reading in the library when the rainstorm came. Step 3 过去进行时 1. 基本概念： 过去进行时表示在过去某一时刻或一段时间内正在 进行的动作。这一特定的过去时间除有上下文暗示以外 , 一般用时间状语来表示。 2. 结构 was / were ( not ) + 动词 -ing 3. 句式 肯定式：否定式 : 疑问式和简略回答 : 4 was not 常缩略为
3、wasnt; were not 常缩略为 werent 。 Step 4 过去进行时中的 when 和 while when 和 while 都可表示 “ 当 ? 的时候 ” ，引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？ 请仔细观察下 面的例句，然后补全空格中的内容。 I was walking to school when I saw a cat in a tree. When Sally arrived home, her mother was cleaning the house. 主句的动作是持续性的，而从句动作是短暂性的，此时用 _引导时间状语从句，主句用 _时态
4、，从句用一般过去时态。 While I was sleeping in the bedroom, someone knocked at the door. David fell while he was riding his bike. 主句的动作是短暂性的，从句的动作是持续性的，此时用 _引导从句，主句用 _时态，从句用过去进行时态。 While Andy was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking. 主句和从句的动作在过去的某时刻或某段时间同
5、时发生，而且动作都是持续性的，此时用 _引导从句，而且主句和从句都用 _时态。 2 Practice: 汉译英。 Step 5 活学活用 4a. Look at the table and write sentences with both while and when. John Mary take photos buy a drink play the piano leave the house clean his room turn on the radio shop take the car to the car wash 4b. Fill in the blanks with was
6、, were, when or while. At 7:00 a.m., I woke up. _ I _ making my breakfast, my brother _ listening to the radio. _ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _ we got to the place of the accident, the car _ in bad shape
7、 from hitting a tree. But luckily the driver _ fine. The roads _ icy because of the heavy snow from the night before. Step 6 Speaking 4c. What were you doing at these times last Sunday? Fill in the chart. Then ask your partner. Step 7 Exercises I. 根据汉语意思完成下列英语句子，每空一词。 1. 昨天下午五点钟你哥哥在做什么？ What _ your
8、brother _ at five yesterday afternoon? 2. 昨天我回到家时，我妈妈在洗衣服。 My mother _ _ clothes _ I _ home yesterday. 3. 你做作业时，你妹妹在干什么 ？ What _ your sister _ _ you _ _ your homework? . 根据各题后括号内的要求完成下列各题，每空一词（含缩略形式）。 1. I was running in the park at 7:00 yesterday morning. (改为一般疑问句并作肯定回答 ) _ _ _ in the park at 7:00 yesterday morning? _, _ _. You Your partner 9:00 a.m. 11:30 a.m. 4:00 p.m. 9:00 p.m. 3 Step 8 Homework After class, please make some dialogues with the phrases and sentences in 4c.
