Unit2语法专项课件- 过去进行时2025-2026学年冀教版英语八年级下册

教学课件 冀教英语八年级下册 Unit2 语法专项—— 过去进行时 全解精讲+分层练习 1 学习目标 1. 掌握过去进行时的定义、基本结构（肯定/否定/疑问）。 2. 牢记主谓搭配规则（was/were的正确使用）。 3. 掌握现在分词（v-ing）的4类变化规则及易错点。 4. 熟练运用过去进行时的3类核心用法，区分动作关系。 5. 能完成单选、填空、改写、改错、完形等各类题型。 6. 能结合语境，准确描述过去某一时刻/时段的动作。 过去进行时—定义 过去进行时：描述 过去某一具体时刻或某一段时间内。 正在进行、尚未完成的动作。 核心标志：动作“正在进行”，时间“发生在过去”。 与一般过去时区别：侧重“过程”，而非“结果”。 例：He was running（过去正在跑，侧重过程）。 He ran（过去跑了，侧重结果）。 基本结构 核心公式：主语 + was/were + 动词现在分词（v-ing） 1. 肯定句：主语 + was/were + v-ing 2. 否定句：主语 + was/were + not + v-ing（wasn’t/weren’t） 3. 一般疑问句：Was/Were + 主语 + v-ing？（回答用was/were） 4. 特殊疑问句：疑问词 + Was/Were + 主语 + v-ing？ 主谓搭配规则（易错重点） 规则：根据主语单复数，选择was或were 用was（单数主语）：I, he, she, it + 单数名词 例：I was riding my bicycle. / She was reading a book. 用were（复数主语）：you, we, they + 复数名词 例：They were playing volleyball. / My parents were working. 易错：复数主语绝对不能用was，单数不能用were。 核心用法（一）— 过去具体时刻的动作 用法1：描述过去某一具体时刻正在进行的动作。 常用时间状语：at 8 o'clock yesterday, at that moment。 at this time yesterday, at 10 a.m. last Sunday。 例：They were playing volleyball at ten o'clock yesterday morning. （昨天上午十点，他们正在打排球。） 关键：时间点具体，动作正在进行。 核心用法（二）— 过去时间段的动作 用法2：描述过去某一段时间内持续进行的动作。 常用时间状语：from 7 to 9 last night, all morning。 all afternoon, during last week。 例：I was talking with my friend from 7 to 8 last night. （昨晚7到8点，我一直在和朋友聊天。） 关键：动作持续了一段时间，未中断。 核心用法（三）— 与when/while连用 用法3：描述过去两个动作的同时发生，分两种情况。 1. when引导（短动作打断长动作）： 从句（短动作）用一般过去时，主句（长动作）用过去进行时。 例：I was watching a bird when the basketball hit me. 2. while引导（两个动作同时持续）： 主从句均用过去进行时，强调“同时进行”。 现在分词（v-ing）变化规则（一） 过去进行时的核心：正确写出动词的现在分词（v-ing）。 规则1：一般动词 → 直接加-ing 例：ride → riding, talk → talking, play → playing。 规则2：以不发音的e结尾 → 去e加-ing 例：take → taking, make → making, write → writing。 易错：发音的e不省略（如see → seeing）。 现在分词（v-ing）变化规则（二） 规则3：重读闭音节结尾（辅+元+辅）→ 双写尾辅音加-ing 例：run → running, cut → cutting, stop → stopping。 判断技巧：末尾三个字母是“辅音+元音+辅音”，且重读。 规则4：以ie结尾 → 变ie为y加-ing 例：lie → lying, die → dying, tie → tying。 唯一例外：die/lie/tie，其余ie结尾动词极少。 v-ing变化易错点对比 动词 正确变化 常见错误 易错原因 take taking takeing 未去不发音e run running runing 未双写尾辅音 lie lying lieing 未变ie为y see seeing seing 发音e不能去 ride riding rideing 未去不发音e 单项选择题 1. I ___________ my bicycle when I fell down. A. ride B. was riding C. rode 2. They ___________ volleyball at ten o'clock yesterday morning. A. play B. were playing C. played 3. ___________ you ___________ with your friend at that time? A. Did; talk B.Are; talking C. Were; talking 4. While I ___________ a bird, the basketball hit me. A. watched B. was watching C. watch 5. My hand and knee ___________ bleeding when I had the accident. A. was B. were C. are B B C B B 6. —What ___________ you ___________ at 9:30 last night? —I ___________ to Fox. A. did; do; talked B. were; doing; was talking C. are; doing; am talking 7. He ___________ when he suddenly felt a pain in his knee. A. ran B. was running C. runs 8. While we ___________ Panda clean the room, we were also talking. A. helped B. were helping C. help 9. There ___________ a sharp rock sticking out of my helmet. A. was B. were C. is 10. —Why didn't you answer my call? —I ___________ a shower at that moment. A. was taking B.took C. take B B B A A 基础训练1—用所给动词的正确形式填空 1. He ___________ (run) and suddenly felt a pain in his knee. 2. They _______________ (play) volleyball at ten o'clock yesterday morning. 3. I _______________ (talk) with my friend at that time. 4. The basketball hit me while I _______________ (watch) a bird. 5. I ___________ (talk) to Fox at that time. We were also helping Panda clean the room. 6. Between 9:30 and 10:00, I ___________ (take) a walk with Fox. was running were playing was talking was watching was talking was taking 7. I ______________ (clean) my house at that time. 8. We ______________ (help) Panda while we were talking. 9. My mother ______________ (cook) dinner when I got home yesterday. 10. They _______________ (not play) football at 3 p.m. yesterday. They were reading. 11. —What ___________ she ___________ (do) at 8 last night? —She ______________ (listen) to music. 12. While Tom ______________ (study), his sister was drawing. were helping was cooking weren’t playing was doing was listening was studying was cleaning 基础训练3—按要求改写句子（一） 1. I was riding my bicycle by the river.（改为否定句） ________________________________________ 2. They were playing volleyball at ten o'clock yesterday morning.（改为一般疑问句并作肯定回答） ________________________________________ 3. I was talking with my friend at that time.（对划线部分提问） ________________________________________ 4. The basketball hit me while I was watching a bird.（对划线部分提问） ________________________________________ I wasn't riding my bicycle by the river. Were they playing volleyball at ten o'clock yesterday morning? Yes, they were. When were you talking with your friend? When did the basketball hit you? 基础训练3—按要求改写句子（二） 5. My hand and knee were bleeding.（改为单数句） ________________________________________ 6. While I was cleaning my room, my sister was listening to music.（用when改写句子） ________________________________________ 7. He was running when he felt a pain.（改为一般疑问句并作否定回答） ________________________________________ 8. They were taking a walk at 7 last night.（对划线部分提问） ________________________________________ My hand was bleeding.（或 My knee was bleeding.） When I was cleaning my room, my sister was listening to music. Was he running when he felt a pain? No, he wasn’t. What were they doing at 7 last night? 基础训练4—判断句子正误 1. I was ride my bicycle when I fell.（ ） 2. They were play volleyball at ten o'clock yesterday morning.（ ） 3. Was you talking with your friend at that time?（ ） 4. While I watch a bird, the basketball hit me.（ ） 5. My hand and knee was bleeding.（ ） F F F F F 易错点总结（一） 1. 结构错误：遗漏was/were，或v-ing形式写错。 错误：I riding my bike. 正确：I was riding my bike. 2. 主谓搭配错误：复数主语用was，单数用were。 错误：They was playing. 正确：They were playing. 3. v-ing变化错误：未去e、未双写、未变ie为y。 易错点总结（二） 4. 时态搭配错误：when/while连用，时态混淆。 错误：While I watch TV, he came. 正确：While I was watching TV, he came. 5. 否定句/疑问句错误：wasn’t/weren’t用法错误。 错误：I was not ride. 正确：I wasn’t riding. 6. 时间状语搭配错误：现在时状语不能用于过去进行时。 课堂总结（一）— 核心考点 过去进行时核心：过去+正在进行，侧重动作过程。 1. 结构：主语 + was/were + v-ing（牢记主谓搭配）。 2. 用法：具体时刻、持续时段、when/while连用。 3. 关键：v-ing变化规则（4类），避开常见易错点。 4. 与一般过去时：过程vs结果，区分使用场景。 课堂总结（二）— 解题技巧 做题三步法： 1. 看时间状语：判断是否为过去的时刻/时段。 2. 看动作关系：持续过程→过去进行时，瞬间结果→一般过去时。 3. 核对：主谓一致、v-ing形式、时态搭配是否正确。 教学课件 Unit2 语法专项—— 过去进行时 Thank you for listening! 23 $