Unit 5 Section A (Grammar Focus～4c) 课件 2023-2024学年初中英语人教版新目标八年级下册

Unit 5 What were you doing when the rainstorm came? Section A Grammar Focus-4c R·八年级下册 单击此处编辑母版文本样式 Curriculum words and useful expressions: Functions Grammar Learning Objectives Talk about past events and tell a story. have a look, icy, kid... when与while 引导的时间状语从句；过去进行时 单击此处编辑母版文本样式 When I … He was doing … When I called him up, he was sleeping. 单击此处编辑母版文本样式 While I … He was doing … While I walked to school, he was having breakfast. 单击此处编辑母版文本样式 While I was doing… He was doing … While I was reading the newspaper, he was watching TV. 单击此处编辑母版文本样式 Grammar Focus 1 .过去进行时：was/were +V-ing 2.when, while引导的时间状语从句。 What were you doing at eight last night? I was taking a shower. What was she doing at the time of the rainstorm? She was doing her homework- What was he doing when the rainstorm came? He was reading in the library when the rainstorm came. What was Ben doing when it begin to rain heavily? When it begin to rain,Ben was helping his mom make dinner. What was Jenny doing while Linda was sleeping? While Linda was sleeping,Jenny was helping Mary with her homework. My parents were watching TV at 8:00 last night. I was leaving for Beijing that day. I was taking a shower at that time. They were swimming in the swimming pool this time last week. When you called,! was taking a shower. While you were sleeping,! called Jenny and she helped me. Task When和While引导的时间状语从句 共同点 不同点 when 都可以引导时间状语从 句，意为“ 当......的时 候,， 引导时间状语从句时，既可以表示时间点， 也可以表示时间段；从句中的谓语动词 既可以是非延续性动词，也可以是 延续性动词.（多用于过去时态） while 引导时间状语从句时，从句只表示时间段； 从句中的谓语动词必须用延续性动 词。（多用于进行时态） 延续性动词 表示能够延续的动作。 sing、wait、watch等 非延续性动 词（短暂性） 表示行为的结果，动作发生后就 立即结束。 open、begin等 过去进行时和when连用 When I arrived at school ，Lily was cleaning the classroom. 原 主句 The students were reading books when the teschcr came in. 主句 从句A was/were +doing sth when B +did sth.长时动作 短时动作 过去进行时 含义: 表示过去某个时刻正在进行的动作。 结构: was/were + doing e.g. I was having an English class at this time yesterday. 现在进行时 含义: 表示现在正在进