Unit 5 Section A Grammar Focus-4c课件2022-2023学年人教版英语八年级下册

Unit 5 What were you doing when the rainstorm came? Section A Grammar Focus-4c By Emmy 1.To learn the grammar-the past progressive tense. 2.To learn to apply the past progressive tense to talk about the past events. 3.To learn to revere nature.(敬畏自然） 4.To learn to overcome the difficulties in bad weather. Learning aims adj. 覆盖着冰的；冰冷的 v. 开玩笑；欺骗 看一看 New words icy kid have a look Sample sentences: 现在进行时 过去进行时 Ben was helping his mom make dinner at 7:00 PM yesterday. I was waiting for the bus when it began to rain. He was in the kitchen helping his mom when I called him. What were you doing last night? Ben is helping his mom make dinner now. I am waiting for the bus right now. Look! He is in the kitchen helping his mom . What are you doing now? 4 4 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. Grammar Focus 5 What was Ben doing when it began to rain heavily? When it began 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. 过去进行时 定义： 表示过去某个时刻或某一时间段正在进行或发 生的动作。 时间标志词： at this/that time yesterday, at 9:00 yesterday morning, all night等； 或以when, while 引导的时间状语从句。 肯定形式：主语+was/were + doing +其他。 e.g: He was sleeping at 7:00 a.m yesterday. 否定形式：主语+wasn’t/weren’t +doing+其他。 e.g:He wasn’t sleeping at 7:00 a.m yesterday. 一般疑问句：Was/Were+主语+doing+其他？ e.g:Was he sleeping at 7:00 a.m yeterday? 肯定回答：Yes, 主语+was/were. Yes, he was. 否定回答：No, 主语+wasn’t/weren’t. No, he wasn’t. 特殊疑问句：特殊疑问词+ was/were +主语 +doing+其他？ e.g:What was he doing at 7:00 a.m yesterday? 过去进行时句型结构 when和while引导的时状语从句 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(leave,buy,go,give,borrow,hear，close, begin, finish,arrive.