人教版八年级下册 Unit 5 What were you doing when the rainstorm came Section A Grammar Focus-4c.pptx

;;When I …;While I …;When I …; 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。;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。 ;③ While I was sleeping in the bedroom, someone knocked at the door. ④ 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。;⑤ While Andy was waiting for the bus, he was reading a newspaper. ⑥ 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。;将下列汉语句子翻译成英语。;2. 当我看见他的时候，他正在做一架模型飞机。 He was making a model plane when I saw him. 3. 当我正在跑步的时候，我妈妈和我妹 妹正在放风筝。 While I was running, my mother and my sister were flying a kite.;Look at the table and write sentences with both while and when.;Fill in the blanks with was, were, when or while.;What were you doing at these times last Sunday? Fill in the chart. Then ask your partner.;A: What were you doing at nine o’clock last Sunday morning? B: I was sleeping. How about you? A: I was doing my homework. B: You’re kidding!;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 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?;Ⅱ. 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? —________, ________ ________.;2. I was flying kites with my friends at this time last Sunday.? (对划线部分提问) ________ ________ ________ ________ at this time last Sunday? 3. They were playing basketball from three to four yesterday.?? (改为否定句)