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8A Unit 6 Natural disastersPeriod 5 Grammar（2）【学习目标】A: Knowledge (语言知识)【学习重难点】To learn the usage of the past continuous tense with “while” and “when ”.课前延伸一、用所给词的适当形式完成下列对话。Daniel: I tried to call you last night but your phone line was busy. What _you_ (do)?Amy: When _ you _ (phone) me?Daniel: It was about seven. Amy: Oh, I _ (talk) to Millie on the phone. I _ (tell) her about my trip to Shenzhen. She _ (plan) to go there with her family during the holiday. Why _ you _ (call) me?Daniel: I _ (do) my Maths homework and I _ (not understand) one question. But never mind, I _ (ask) Simon already.Key: was, doing; did, phone; was talking; told; planned; did, call; did, didnt understand; have asked.二、请用适当的时态完成下列句子。1. What _ your brother _ (do) at nine oclock last night?2. They _ (listen) to music at that time.3. When I saw him, he _ (search) the Internet.4. They _ (discuss) a problem in the meeting room at this time yesterday.5. _ Amy _ (visit) the Science Museum from 9:00 a.m. to 11:00 a.m. yesterday?Key: 1. was, doing; 2. were listening; 3. was searching; 4. were discussing; 5. Was, visiting;课前思考：过去时与过去进行时有什么不同？有时为了句子表达的需要，我们怎么用复合句来表达过去进行时。自主学习记录卡1.自学本课内容后，你有哪些疑难之处？2.你有哪些问题要提交小组讨论？课内探究一、选用括号中所给词完成句子。1He _ (made, was making) cakes when I left.2They were cleaning the blackboard _(while, when) the teacher came in.3_ (When, While) the old man was looking at the map, the boy arrived.4He _ (drove, was driving) to the park when the car _ (hit, was hitting) the tree.5While he _(played, was playing) the piano, his sister _ (stood, was standing) beside him.Key: 1. was making; 2. when 3. While 4. was driving; hit 5. was playing; was standing.二、用“when/ while”来完成句子。1. My wallet dropped on the ground _ I was running.2. _ I was falling asleep, there was a loud knock on the door.3. _ he was reading, an earthquake started.4. Were the students listening to the teacher carefully _ the teacher was giving a lesson?5. _ the telephone rang, I became nervous.Key: 1. when 2. When 3. When 4. while 5. When.课后提升一、根据括号中所给动词的正确形式完成句子1. When he _ (draw) a picture, the telephone rang. 2. When Simon arrived, Amy _ (read) a book.3. Jim _ (draw) a picture in his room at 4 yesterday afternoon.4. _ the policewomen _ (watch) the traffic or _ (have) a rest from seven to nine yesterday morning?5. One day, he _ (lie) on the grass and _ (look) at the beautiful sky when he fell asleep and had a very strange dream.Key: 1. was drawing; 2. was reading 3. was drawing 4. Were watching; having 5. was lying; looking. 二、翻译句子。(10)1我扫地时他擦窗子。_2今天早上我起床时，外面在下雨。 _3他听到噪声时正在写作业。 _4我爸爸看电视时，妈妈在听音乐。 _5.当我在公园里散步时，我看到一只钱包躺在地上。 _4
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