Unit3语法专项课件 过去进行时与连词 when, while 2025-2026学年鲁教版五四制八年级英语上册

教学课件 鲁教（五四制）英语八年级上册 Unit3 语法专项—— 过去进行时与连词 when, while 全解精讲+分层练习 1 学习目标 1.掌握过去进行时的定义、结构与用法 2.熟练运用动词-ing形式的变化规则 3.区分过去进行时与一般过去时 4.掌握连词when和while的用法区别 5.能完成各类习题并正确运用语法知识 过去进行时——定义与语境 1.核心定义：描述过去某时刻/时间段正在进行的动作 2.强调动作进行中，不强调是否完成 3.常用时间标志： at 8:00 last night，at this time yesterday when the rainstorm came，all morning yesterday 过去进行时——肯定句结构 1.基本结构：主语 + was/were + 动词-ing 2.单数主语用was，复数主语用were 例句： I was taking a shower at 8:00 last night. They were playing basketball when it rained. 过去进行时——否定句结构 1.结构：主语 + was/were + not + 动词-ing 2.缩写形式：wasn’t / weren’t 例句： She wasn’t doing homework at that time. We weren’t watching TV when you called. 过去进行时——一般疑问句 1.结构：Was/Were + 主语 + 动词-ing? 2.肯定回答：Yes, 主语 + was/were. 3.否定回答：No, 主语 + wasn’t/weren’t. 例句： —Were you reading at 9:00? —Yes, I was. / No, I wasn’t. 过去进行时——特殊疑问句 1.结构：疑问词 + was/were + 主语 + 动词-ing? 2.常用疑问词：what, where, who 例句： What were you doing at the time of the rainstorm? Who was he talking to when I saw him? 动词-ing 变化规则 1.一般情况：直接加 -ing，work → working，play → playing 2.以不发音e结尾：去e加 -ing，take → taking，write → writing 3.以ie结尾：变ie为y加 -ing，lie → lying，die → dying 4.重读闭音节（辅+元+辅），双写尾字母加 -ing stop → stopping，run → running 过去进行时 vs 一般过去时 时态 侧重点 时间标志 例句 过去进行时 过去正在进行 at 8:00, when... I was reading at 8:00. 一般过去时 过去已完成 yesterday, last week I read a book yesterday. 连词 when 的用法（1） 1.含义：当……时候 2.句型：主句（过去进行时）+ when + 从句（一般过去时） 3.逻辑：一个动作正在进行，另一个突然发生 例句：He was reading when the rainstorm came. 连词 when 的用法（2） 句型：When + 从句（过去进行时）+ 主句（一般过去时） 逻辑：一个动作进行中，另一个动作发生 例句：When I was walking home, it began to rain. 句型：When + 一般过去时 + 主句（一般过去时） 逻辑：两个动作先后发生 连词 while 的用法（1） 含义：当……时候；与此同时 句型：While + 过去进行时 + 主句（过去进行时） 逻辑：两个动作同时进行 例句：While Linda was sleeping, Jenny was working. 连词 while 的用法（2） 句型：While + 过去进行时 + 主句（一般过去时） 逻辑：一个动作进行中，另一个动作发生 例句：While I was reading, my brother called me. 注意：while 从句多用进行时 when 与 while 对比表 连词 从句时态 主句时态 核心逻辑 when 一般过去时 过去进行时 一动作发生，另一正在进行 when 过去进行时 一般过去时 一动作进行，另一发生 while 过去进行时 过去进行时 两个动作同时进行 while 过去进行时 一般过去时 一动作进行，另一发生 单项选择 1.——What were you doing at 8:00 last night? ——I __________ a shower. A. take B. took C. was taking D. am taking 2.What was she doing when it rained? She __________ her homework. A. do B. did C. was doing D. is doing 3.He __________ in the library when the storm came. A. read B. reads C. was reading D. is reading 4.While I __________, my mom cooked. A. slept B. was sleeping C. sleep D. am sleeping 5.__________ I was reading, he came in. A. When B. While C. Until D. If C C C B B 6.We __________ TV when the power went off. A. watched B. were watching C. watch D. are watching 7.What ________ you ________ at this time yesterday? A. do; do B. did; do C. were; doing D. are; doing 8.She __________ to music when I arrived. A. listened B. was listening C. listens D. is listening 9.__________ he got home, I was cooking. A. When B. While C. Before D. After 10.They __________ football at 4:00 yesterday afternoon. A. played B. were playing C. play D. are playing B C B A B 11.I thought you __________ games at that time. A. play B. played C. were playing D. are playing 12.While Mary __________, John was drawing. A. read B. was reading C. reads D. is reading 13.When the bell rang, we __________ the classroom. A. cleaned B. were cleaning C. clean D. are cleaning 14.My brother __________ while I __________. A. sang; danced B. was singing; was dancing C. sings; dances D. is singing; is dancing 15.The driver __________ fine after the accident.A. was B. were C. is D. are C B B B A 16.I wasn’t __________ TV at that time. A. watch B. watched C. watching D. watches 17.Were you writing at 9:00? Yes, I ______.A. am B. was C. were D. did 18.She wasn’t __________ clothes when you called. A. wash B. washed C. washing D. washes 19.While we __________, someone knocked at the door. A. listened B. were listening C. listen D. are listening 20.When I __________ home, she was reading. A. get B. got C. am getting D. will get C B C B B 句型转换 1.I was sleeping at 10:00 last night.（一般疑问句） ________ you ________ at 10:00 last night? 2.He was reading when I came.（否定句） He ________ ________ reading when I came. 3.They were playing basketball at that time.（划线提问） ________ ________ they ________ at that time? 4.I was doing homework. My mom came in.（用when合并） _____________ I was doing homework, my mom came in. 5.She was cooking. I was watching TV.（用while合并） While she was cooking, I ________ ________ TV. Were sleeping was not What were doing When/While was watching 6.He was working at 8:00.（划线提问） ________ ________ he ________ at 8:00? 7.Were you writing a letter?（肯定回答） Yes, ________ ________. 8.They weren’t playing soccer.（肯定句） They ________ ________ soccer. 9.When I arrived, he was drawing.（同义句） He was drawing ________ I arrived. 10.While he was walking, it snowed.（同义句） ________ he was walking, it snowed. What was doing I was were playing when When 用所给词的适当形式填空 1.——What ________ you ________ (do) at 7:00 yesterday? ——I ______________ (eat) dinner. 2.She ________________ (not watch) TV when you called. 3.While they _______________ (play), it began to rain. 4.When I ________ (get) home, my dad _________________ (read). 5.We ______________ (have) a party at this time last week. was eating wasn’t watching were playing got was reading were having were doing 情景对话补全 A: Hi, Linda. 1. __________________________（昨晚九点你在做什么？） B: I was reading a book. A: 2. ________________________（你呢？） A: I was doing my homework. B: 3. _____________________________________（我以为你在玩电脑。） A: No, I was studying. 4. ________________________________________（暴风雨来的时候你在做什么？） B: I was helping my mom. A: 5. ____________________________________________（你爸爸那时在做什么？） B: He was working in the garden. What were you doing at nine last night? What about you? I thought you were playing computer games. What were you doing when the rainstorm came? What was your father doing at that time? 教学课件 Unit3 语法专项—— 过去进行时与连词 when, while Thank you for listening! 23 $