Unit5 Section A Grammar Focus--4c课件2023-2024学年人教版八年级英语下册

Unit 5 What were you doing when the rainstorm came? Section A 3 Grammar focus - 4c 1. 感觉像 2. 首先 3. 入睡 4. 逐渐变弱 5. 确信 6. 醒来 7. 一团糟 8. 清洁 9. 互相帮助 10. 在困难时期 feel like at first fall asleep die down make sure wake up in a mess clean up help each other in times of difficulty Revision 用所给单词的适当形式填空 1.—What___ you____ (do) when he arrived? —I ___________(watch) TV at that time. 2.Bob _________ (shop) when I ____(go) to the park. 3.I saw some kids_______(play) football over there. 4.She ________(read )books while her mother ________(cook) yesterday afternoon. 5.It's raining________(heavy) outside. were doing was watching 精彩回顾 was shopping went playing was reading was cooking heavily 1. take 2. play 3. clean 4. shop 5. sleep 6. buy 7. leave 8. turn 9. kid v.开玩笑 10. hit taking playing cleaning shopping sleeping buying leaving turning kidding hitting took played cleaned shopped slept bought left turned kidded hit 预习热身 写出现在分词形式 写出过去分词形式 思考: 以下句子用了_______时态 过去进行时 ① He was watching TV from 8:00 to 9:00 last night. ②They were having an English class at this time yesterday. ③The students were studying carefully when the teacher came into the classroom. ④She wasn't doing her homework at 7:00 last night. ⑤ --Was he playing basketball then? --Yes, he was./ No, he wasn't. ⑥What were you doing when I called you last night. 观察及探究 合作完成学案上探究（一） 6 1.过去进行时表示在过去某一时刻或某一段时间段正在进行的____或存在的_____。经常和表示______(现在/ 过去）的时间状语连用，如：at this time yesterday，when I called him,from 8:00 to 9:00 last night,at 7:00 last night等。 2. 结构 ：主语+_____/ _____ + 动词_____ +时间状语 3.把肯定句变为否定句时，将 was 改为_____,将were 改为 ________;一般疑问句是将____或______提到句子前。 合作探究一 动作 状态 过去 was were -ing wasn't weren't was were 7 when和while都可表示“当……的时候”，在过去进行时中引导时间状语从句。 阅读下列句子，思考 When 和While 的用法，完成合作探究（二） ① I was walking to school when I saw a cat in a tree. ②When 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，从句用一般 过去时态。 过去