Unit5 What were you doing when the rainstorm came？ SectionA Grammar Focus - 4c 课件2023-2024学年人教版八年级英语下册

人教新目标Go For It八年级英语下册 Unit5 What were you doing when the rainstorm came？ SectionA Grammar Focus - 4c Language Goal 1.能记住并会运用下列单词及短语:icy, kid, have a look。 2.能够用过去进行时谈论过去发生的事情。 3.能够正确运用when和while引导的时间状语从句。 Enrich your life today,yesterday is ow is mystery 新 课 导 入 What were they doing at that time? They were reading books in the library. They were playing basketball. 新 课 导 入 What was she doing at that time? Free talk She was doing her homework. She was watching TV at that time. Grammar 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） Enrich your life today,yesterday is ow is mystery Grammar 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. Enrich your life today,yesterday is ow is mystery 当我在打扫卧室时，我妈回来了。 My mother came back ________ I was cleaning my bedroom. 当他们到达时，正在下雨。 It was raining ________ they arrived. when 演练 while Enrich your life today,yesterday is ow is mystery 从句，时间段，延续性v.，when/while都可 He fell asleep when/while he was reading. I met him when/while I was walking in the park. 主句, 从句都是进行时态时，只用while，含对比之意，而 They were singing while we were dancing. Enrich your life today,yesterday is ow is mystery Presentation 动词现在分词的变化规则： 口诀 规则 例子 直 1.一般情况下，直接在动词之后+ing. play--playing study--studying 去 2.以不发音的e结尾的动词，去e再加ing. take--taking dance--dancing 双 3.重读闭音节的动词，双写尾字母再加ing. cut--cutting swim--swimming 变 4.以ie结尾的动词，把ie变为y再加ing. lie--lying die--dying tie-