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1、江苏省连云港市新浦中学八年级英语上册8A Unit 6 Natural disasters Grammar教学案（无答案） 牛津版 (一）构成 was (were) + 动词-ing构成。(二) 形式过去进行时的肯定式: I was working. / You were working. / He/She/It was working.We/You/They were working.过去进行时的否定式: I was not working. / You were not working. / He/She/It was not working.We / You / They were no
2、t working.过去进行时的疑问式：Were you working at ten last night? Yes, I was. / No, I wasnt.Was he working at ten last night? Yes, he was. / No, he wasnt. (三）用法：过去进行时的意义：表示过去正在发生或进行着的动作。例如：You were listening to me. / They were learning English. What were you doing? He was watching TV .过去进行时的用法：表示在过去某一时刻或某一时间正
3、在进行的动作。这一特定的过去时间，除了有上下文暗示以外，一般用时间状语来表示。When were you doing this time yesterday?-We were working in class.He was mending his bike at ten oclock yesterday.I was drawing a horse when the teacher came in.While she was trying to pass a truck before her, she saw another car coming.2. 学习了过去进行时的语法，快来完成99-10
4、0页A1和A2部分的练习吧。做完之后，两人一组朗读对话，并核对答案。注意过去进行时的构成哦。3. 聪明的你能将A2 的对话改写成一段小故事吗？快来显示你的文采吧！ Step2巩固练习 小试牛刀：用所给动词的正确形式填空：1. Look! Some children _(chat).2. Sorry, I _(help) the baby tie the shoelace at present.3. Some children _(chat) this time yesterday.4. Sorry, I _(help) the baby tie the shoelace at that tim
5、e.5. I _(wash) my face at 6 this morning.6. She _still _(lie) in bed this time yesterday.7. _you _(watch) TV from seven to nine yesterday evening.8. He _(drink) tea the whole morning.9. -Where did you go just now? -To the teachers office. -What were you doing there?-I _(solve) a math problem with my
6、 teacher. It took us a long time to work it out.Step 3 拓展延伸 （Part B）(一) A) 当两个延续（思考举例）的动作同时发生，两个句子都可用过去进行时来表示，用while连接，如：1. People _(run)wildly while pieces of glass and bricks _(fall)down.2. Yesterday afternoon, while Daniel _ _ (work) on the computer, Millie _(stand) beside him.3We _ _(clap) our h
7、ands while the performers _(march) across the park.B) 当一个延续的动作正在发生的时候，另外一个瞬间动作发生了，可用“when”或“while”连接，较长的动词用过去进行时，较短动词用一般过去时1. Hello kitty _(wave) to the visitors while she _(dance) to the music.2. We _(read) a terrible story when suddenly the lights _(go) out.3. The doorbell _(ring) while we _(talk)
8、 on the phone yesterday.C) 一般过去时与过去进行时用法的比较: 一般过去时表示在过去某个时间发生的动作或存在的状态，而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。如：Mary wrote a letter to her friend last night. Mary昨晚给她的朋友写了封信。（信写完了 。）Mary was writing a letter to her friend last night. Mary昨晚一直在给她的朋友写信。（信不一定写完。） Practice : 用when/ while 填空： 1. _Simon arrived, Amy was reading. 2. I was reading English _ the teacher came in. 3. _my mother was cooking, the phone rang. 4. Mrs. Wang was listening to music _ her husband was reading newspapers.（二）掌握了while和 when的用法之后，仔细看101页的插图，独立完成101页的练习。Step 4 Homework 1. 完成补充习题、同步导学中的Grammar 练习。 2. 预习Integrated skills.3
