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

Section A (Grammar Focus~4c) 单击此处编辑母版文本样式 1.能记住并掌握现在分词的构成及用法。 2.能总结when和while引导的时间状语从句的用法并能正确使用。 3.能用过去进行时谈论过去发生的事情。 学习目标 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. Make up the sentences. 单击此处编辑母版文本样式 When I … He was doing … When I walked to school, he was eating. 单击此处编辑母版文本样式 While I … 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 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. 读下列句子, 你能总结出句子中包含的语法吗？ 单击此处编辑母版文本样式 What was he doing when the rainstorm came? He was reading in the library when the rainstorm came. 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. 单击此处编辑母版文本样式 2.想一想、填一填。 动词现在分词的构成规律: 单击此处编辑母版文本样式 1.观察Grammar Focus中前三行的句子,完成下面的内容。 语法训练 单击此处编辑母版文本样式 2.巩固练习:用所给单词的适当形式填空。 (1)I 　 　(watch) TV at that time.  (2)You 　 　(read) at 9 o'clock last night.  (3)She　 　(sing) when the teacher came in.  (4)What 　 　 you 　 　(do) at the time of the rainstorm?  was watching were doing was singing were reading 单击此处编辑母版文本样式 when和while的用法: (1)如果主句的动作是持续的,而从句的动作是短暂的,此时用 　 　引导时间状语从句,主句用　 　时态,从句用 　 　时态。  (2)如果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 　 　时态。  when 过去进行 一般过去 一般过去 while/when 过去进行 单击此处编辑母版文本样式 (3)如果主句和从句的动作在过去的某时刻或某时段同时发生,而且动作都是持续性的,此时用 　 　引导从句,并且主句和从句都用 　 　时态。  while 过去进行 单击此处编辑母版文本样式 4.巩固练习:用when和while 填空。 (1)　 　I arrived at home, my mom was cooking.  (2)I arrived at home 　 　my mom was cooking.  (3)I was watching TV 　 　my mother was cooking.  (4)　 　I arrived at the airport, the plane was taking off.  (5)He fell asleep 　 　he was reading.  When while while / when