Unit3 过去进行时课件-2024-2025学年鲁教版（五四制）英语八年级上册

课前准备： 课本，学案，练习本 Look and say What were people doing yesterday at the time of the rainstorm ? Tenses that we need to master in junior high school 1.一般现在时（ Simple Present Tense ）、现在进行时（ Present Progressive Tense ）：初一 2.一般过去时（ Simple Past Tense ）、一般将来时（ Simple Future Tense ）：初二 3.过去进行时（Past Progressive Tense）：初三 4.现在完成时（ Present Perfect Tense ）：初三 Learning objectives By the end of the class, students can… Master the structure and function of past progressive tense . Mater how to use adverbial clauses of “when “and “while” in sentences containing this tense. 3.Learn to use the past progressive tense correctly by summarizing grammar rules through the group work. 自学指导一： （1）圈画关键词并填空（3min） 1.You ___________ (have)an English lesson now. 2.look! The little boy _____________(swim). 3.listen! The man ____________ (read). 4.It is 7:00 am. We __________ (clean) the house. 5.Where is Tom? He _______(skate) on the river. 6.I ___________ (have)an English lesson at that time yesterday. 7.The little boy _____________ (swim) at 7:00 last night. 8.The men ________(read) from 6 to 9 yesterday morning. 9. We _____ (clean) the house at that time. are having is swimming is reading are cleaning is skating was having was swimming were reading were cleaning What have you found? 现在进行时 （Present progressive tense） 过去进行时 (Past progressive tense) I am talking to you now. I was taking a shower at eight last night. She is listening to the teacher now. She was doing her homework at the time of the rainstorm. They are taking photos now. They were taking photos when the rainstorm came. We are having English class now. We were reading in the library while Linda was sleeping. 观察下表的例句并独立思考以下问题： Circle the predicate verbs（谓语动词） in the list and find out the differences. Try to find out the signal words（标志词） 小组合作探究完成以下内容1： 现在进行时 1含义 表示在_______________或________ 动作。 2结构 主语+ ______________ am/is/ are +V-ing(肯定句） (2)否定句 (3)一般疑问句 现在（说话瞬间）或当前一段时间内（现阶段）正在进行或发生的 3.时间标志词 Now；Look！Listen！At the moment；It is 10:00 clock 主语+ am/is/are ++not+v.-ing... Am/Is/Are + 主语+v.-ing...? 小组合作探究完成以下内容2： 过去 进行时 1含义 表示在_______________或____________ 正在进行的动作。 2结构 主语+ ______________ 过去某一时刻 某一段时间 was/ were +V-ing (1)肯定句 (2)否定句 (3)一般疑问句 主语+ was/were +v.-ing... 主语+ was/were ++not+v.-ing... Was/Were + 主语+v.-ing...? 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 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. Grammar Try to find out the signal words! 过去进行时 标志词 过去进行时 (3)标志词 _____________________________________________________ 过去 进行时 at that time /at eight last night /from...to... at this time yesterday (morning/afternoon) the whole day/all day yesterday when/while引导的时间状语从句 I was watching TV the whole night. She was cleaning her room at that time. 复习现在分词的构成： 读并写出这些动词的原形，思考：动词原形变成现在分词有什么规律？ Dropping_________ taking________ guessing_________ allowing________ getting________ arguing_______ communicating____________ explaining__________ copying_________ returning________ continuing____________ going________ picking_______ falling________ rising_______ swimming________ 规律： 1._________________________________ 2._________________________________ 3._________________________________ 一般动词在词尾加- ing, 读[iη] 。 以不发音字母e结尾的动词,先去掉e,再加-ing。      以重读闭音节结尾的动词, 末尾以一个辅音字母结尾,双写尾字母,再加ing, x和w结尾的除外。      drop take guess allow get argue communicate explain copy return continue go pick fall rise swim Practice 1.What you （do）when the rainstorm came? 2.He ______(wait) for the bus yesterday at the time of the rainstorm. 3.I ________(help) my mom in the kitchen at 9:00 last night. 4.She _____(sleep) at that time yesterday. 5.Ben’s dad ______(put) pieces of wood over the windows while his mom was making sure the lights were working. 6.He _______(help) his mom make dinner when the rain began to beat heavily. 7.She ______(do) homework at the time of the rainstorm. 8.While John ______(take) photos, Mary bought a drink. were doing was waiting was helping was sleeping was putting was helping was doing was taking Observe these sentences. Grammar 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 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. 非延续性 延续性 延续性动词与非延续性动词 区别 (1)延续性动词 动作_____(可以/不可以)延续一段时间,而不是瞬间结束。 (2)瞬间性(非延续性)动词 动作极为短暂，瞬间结束。 可以 She read books for three hours last Sunday. 延续性 Yuan Longping died three years ago. 瞬间性 when 引导时间状语从句 She was reading in the library when the rainstorm came. My mom came back when I was sleeping in my bedroom. 瞬间性 表时间点 延续性 表时间段 一般过去时 过去进行时 when引导的时间状语从句： 可用_____________动词，也可用___________动词， 分别表示时间_______和时间_________。 时态为__________________________. 瞬间性 延续性 点 段 一般过去时 过去进行时 Grammar Focus While she was reading, the phone rang. Some students were reading while others were writing. while 引导时间状语从句 过去进行时 延续性 表时间段 while引导的时间状语从句： 用___________动词，表示时间_______。 时态为__________________________. 段 延续性 过去进行时 延续性 表时间段 过去进行时 主从句都是 延续性动词时， 大都用_______. While 4a Practice Look at the table and write sentences with both while and when. John Mary take photos buy a drink play the piano leave the house clean his room turn on the radio shop take the car to the car wash 延续性 瞬间性 While John was taking photos, Mary bought a drink. John was taking photos when Mary bought a drink. John Mary play the piano leave the house 延续性 瞬间性 While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house. John Mary clean his room turn on the radio 延续性 瞬间性 While John was cleaning his room, Mary turned on the radio. John was cleaning his room when Mary turned on the radio. John Mary shop take the car to the car wash 延续性 瞬间性 While John was shopping, Mary took the car to the car wash. John was shopping when Mary took the car to the car wash. 4b Practice Fill in the blanks with was, were, when or while. At 7:00 a.m., I woke up. ________ I _______ making my breakfast, my brother ______ listening to the radio. ________ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. ______ we got to the place of the accident, the car _____ in bad shape from hitting a tree. But luckily, the driver ______ fine. The roads ______ icy because of the heavy snow from the night before. While was While When was was were was What have you learned from this class? 1.定义 2.结构 3.时间状语 4.When和while从句 Summary When While 引导状语从句 过去 进行时 达标检测：翻译句子 1.昨晚八点你在干什么？我在洗澡 2.暴风雨来临时他在干什么？暴风雨来的时候他在图书馆读书 3.当开始下雨的时候，Ben在帮妈妈做晚饭 4.当她在睡觉的时候，Tom正在打扫房间。 1.What were you doing at eight last night? I was taking the shower. 2.What was he doing at the time of the rainstorm? He was reading in the library when the rainstorm came. 3.When it began to rain , Ben was helping his mom make dinner. 4.While she was sleeping, Tom was cleaning the room. $$