Unit7语法专项课件 ——过去进行时 The Past Continuous- 2025-2026学年沪教版八年级英语下册

教学课件 沪教（牛津）英语八年级下册 Unit7语法专项—— 过去进行时 The Past Continuous 全解精讲+分层练习 1 学习目标 理解过去进行时的基本含义与使用场景 掌握肯定句、否定句、疑问句的完整结构 能正确使用was/were加动词-ing形式 学会区分when与while引导的时间状语从句 在填空、选择、写作中准确运用过去进行时 过去进行时基本概念 过去进行时表示在过去某一特定时间点或时间段，正在进行或发生的动作。强调动作在过去当时正在进行的状态，动作在过去没有结束，处于持续状态 常见时间标志词：at 8 o’clock yesterday，at this time last week at that moment，from 7 to 9 last night，when, while 基本构成（肯定句） 过去进行时肯定句结构： 主语 + was/were + 动词的现在分词（-ing） 单数主语用was：I/he/she/it/单数名词 复数主语用were：we/you/they/复数名词 动词必须加-ing，遵循现在分词变化规则 肯定句例句 They were doing experiments at 9 yesterday. 昨天九点他们正在做实验。 The astronaut was walking in space at that time. 那时宇航员正在太空行走。 We were listening to the teacher carefully. 我们当时正在认真听老师讲课。 否定句结构 过去进行时否定句结构： 主语 + was not/wasn’t + were not/weren’t + 动词-ing was not 缩写为 wasn’t，were not 缩写为 weren’t 在was/were后直接加not，动词形式不变 He wasn’t feeling well when he went into space.他进入太空时感觉不舒服。 They weren’t watching TV at 8 last night.昨晚八点他们没在看电视。 一般疑问句结构 一般疑问句结构： Was/Were + 主语 + 动词-ing + 其他？ 单数主语用Was开头，复数主语用Were开头 回答用Yes, 主语+was/were. 或 No, 主语+wasn’t/weren’t. Were you doing your homework at 7 yesterday?昨天七点你在做作业吗？ Yes, I was. / No, I wasn’t. Was the satellite travelling fast then?那颗卫星当时飞得快吗？ Yes, it was. / No, it wasn’t. 特殊疑问句结构 结构：特殊疑问词 + was/were + 主语 + 动词-ing？ 常用疑问词：what, when, where, who等 用来询问过去某时正在做什么 例句：What were you doing at this time yesterday?昨天这个时候你在做什么？ Where was he standing when the accident happened?事故发生时他站在哪里？ Who were you talking to just now?你刚才在和谁说话 动词-ing变化规则 一般动词直接加-ing：do→doing，work→working 以不发音e结尾的动词，去e加-ing：write→writing 重读闭音节单词，双写末尾字母加-ing：run→running 以ie结尾的动词，变ie为y加-ing：lie→lying 用法一：过去特定时间点 表示在过去某个具体时刻正在进行的动作 常见时间标志：at…yesterday, at that time, at…last night 例句：At 10:00 yesterday, I was reading English. 例句：He was sleeping at that moment. 用法二：过去某段时间内 表示在过去某一段时间内一直在进行的动作 常见标志：from…to…yesterday, all morning yesterday 例句：They were having a meeting from 9 to 11 yesterday. 例句：She was practicing speaking all afternoon. 用法三：when和while引导的句子 when引导一般过去时的短句 表示一个短暂动作发生时，另一个长动作正在进行 主句用过去进行时，从句用一般过去时 例句：When I arrived, he was waiting for me. while表示“当……时候” 强调两个动作同时在过去进行，主从句都使用过去进行时 while后面常接持续性动作 例句：While I was reading, he was drawing. when与while用法对比表 引导词 用法特点 时态搭配 when 短暂动作发生 主句过去进行时+从句一般过去时 while 两个动作同时进行 主从句都用过去进行时 when与while例句对比 When the bell rang, we were having class. 铃响时我们正在上课。 While we were having class, the bell rang. 我们上课时，铃响了。 While she was cooking, I was cleaning the room. 她做饭时，我在打扫房间。 易混点：与一般过去时区别 过去进行时：强调过去正在进行 一般过去时：强调过去动作已经完成 例句：He was writing a letter last night.（昨晚一直在写） 例句：He wrote a letter last night.（昨晚写了一封信） 常见错误提醒 不能忘记使用was或were 错误：They doing homework. 正确：They were doing homework. 不能把was/were和did混用 错误：Were they did homework? 正确：Were they doing homework? 习题一：用所给动词适当形式填空 1.I _________________ (watch) TV at 8 last night. 2.They ________________ (not play) football at that time. 3.What ________ you ________ (do) at 9 yesterday? 4.She ________________ (read) a book when I came in. 5.While he ________________ (walk), his brother was running. was watching weren’t playing were doing was reading was walking 习题一：继续填空 6.We ______________ (have) a party from 7 to 9 last night. 7.The spaceship ______________ (fly) in space at that moment. 8.___________ he ___________ (sleep) when you called? 9.My parents ______________ (cook) while I was doing homework. 10.It ______________ (rain) when I got home. were having was flying Was sleeping were cooking was raining 习题二：单项选择 1.We ________ for the bus when it began to rain. A. waited B. were waiting C. waiting 2.What ________ you ________ at this time yesterday? A. were; doing B. did; do C. are; doing 3.While I ________, my sister was drawing. A. read B. am reading C. was reading 4.He ________ TV when I got home. A. watched B. was watching C. watches 5.They ________ a meeting at 10 yesterday morning. A. had B. were having C. have 6.My mother ________ while I ________ my homework. A. cooked; did B. was cooking; was doing C. cooks; do B A C B B B 习题三：用when/while合并句子 1.I was sleeping. My father came back. 2.She was singing. He was dancing. 3.The rain started. We were working outside. 4.They were talking. The teacher came in. I was sleeping when my father came back. While she was singing, he was dancing. When the rain started, we were working outside. They were talking when the teacher came in. 题四：根据情景完成句子 1.昨天这个时候你在做什么？ What ________ you ________ at this time yesterday? 2.当我到家时，妈妈正在做饭。 When I got home, my mom ________ ________. 3.昨晚八点他没在写作业。 He ________ ________ his homework at 8 last night. 4.他们正在太空行走时，地面在监控他们。 While they ________ ________ a spacewalk, ground control ________ them. were doing was cooking wasn’t doing were doing was monitoring 习题五：翻译句子 1.昨天下午三点，他正在修理设备。 2.当事故发生时，他们正在开车。 3.当我在看书时，我弟弟在玩游戏。 4.昨晚七点你在做什么？ He was repairing equipment at 3 yesterday afternoon. When the accident happened, they were driving. While I was reading, my brother was playing games. What were you doing at 7 last night? 重点总结一 过去进行时结构：was/were + 动词-ing 单数主语用was，复数主语用were 否定式：wasn’t/weren’t + 动词-ing 疑问句：Was/Were + 主语 + 动词-ing? 动词必须使用-ing形式 重点总结二 用法1：过去具体时刻正在进行 用法2：过去一段时间内持续进行 用法3：when短暂动作发生时正在进行 用法4：while两个动作同时进行 时间标志：at…yesterday, when, while 教学课件 Unit7语法专项—— 过去进行时 The Past Continuous Thank you for listening! 25 $