中学联盟山东省郯城县红花镇初级中学人教新目标版八年级英语下册Unit 5　What were you doing when the rainstorm came 第4课时【课件】 (共23张PPT).ppt

1a-1d I was studying in the library. What were you doing when the rainstorm came? I was talking with mom. What were you doing when the rainstorm came? Pair work What was she doing when I called her up? When I called her up, she was sleeping. While I was sleeping, he was eating. What was he doing while I was sleeping? Pair work While I was eating, he was walking on the street. What was he doing while I was eating? Pair work 【when与while辨析】 一、when引导的时间状语从句，谓语动词是非延续性动词时，表示 时间点；谓语动词是延续性动词时，表示时间段。 1. 如果主句动作发生在从句动作过程中，主从句动词与时态关系： 主句（非延续性动词/ 一般过去时）+ 从句(延续性动词/过去进行时) He finally fell asleep when the wind was dying down. 2. 如果主句动作与从句动作同时发生，主从句动词与时态关系： 主句（延续性动词/过去进行时）+ 从句（延续性动词/过去进行时） He was cleaning his car when I was cooking. 3. 如果从句动作发生在主句动作过程中，主从句动词与时态关系： 主句（延续性动词/过去进行时）+ 从句（非延续/一般过去时） Mary was having dinner when I arrived home. 【when与while辨析】 二、 while引导的时间状语从句，谓语动词只能是延续性动词，常用 过去进行时，表示时间段。 1. 如果主句动作发生在从句动作过程中，主从句动词与时态关系： 主句（非延续性动词/ 一般过去时）+ 从句（延续动词/过去进行时） Someone stole our clothes while we were swimming. Don’t talk so loud while others are working. 2. 如果主句动作与从句动作同时发生，主从句动词与时态关系： 主句（延续性动词/过去进行时）+ 从句（延续/过去进行时） Mom was cooing dinner while Dad was reading. Fill in the blanks with “while” and “when”. 1. Tom was eating supper, it began to rain. 2.What were you doing Mr Zhou came in? 3. I was sleeping, a thief broke into his house. 4.She left her hometown she was five. when when While While Think of a time when you were late for or couldn’t go to an event. What was the event? What was the reason why you were late or couldnt go? Tell your partner the story. 1a Listen and write short answers to the questions. 1. What event happened at the school yesterday? _______________________________________ 2. Who missed the event? _______________________________________ 3. Which team won at the event? ______________________________________ A basketball competition. Kate. Jo