Unit4 语法专项课件—— 一般过去时（II） 2025-2026学年冀教版英语七年级下册

教学课件 冀教英语七年级下册 Unit4 语法专项—— 一般过去时（II） 全解精讲+分层练习 1 学习目标 1.掌握一般过去时（II）的基本概念。 2.熟记本单元不规则动词过去式。 3.熟练运用肯定句、否定句、疑问句。 4.能结合时间标志词正确使用时态。 5.完成各类题型，提升语法运用能力。 什么是一般过去时（II） 本单元重点：不规则动词的过去式用法。 描述过去发生的动作或状态。 描述过去习惯性、经常性的行为。 用法规则和一般过去时（I）完全一致。 核心区别：动词过去式为不规则变化。 规则vs不规则动词（对比） 1.规则动词：+ed / d / ied，有固定规律。 2.不规则动词：无统一变化，需单独记忆。 3.本单元重点记忆：go—went，do—did等。 4.句式结构：肯定、否定、疑问用法不变。 5.时间标志词和一般过去时（I）相同。 be动词过去式（基础） 原形 过去式 用法 am was 主语I is was 单数主语 are were 复数主语 was用于单数主语，were用于复数主语。否定：was not=wasn’t；were not=weren’t。 核心不规则动词表（1） 原形 过去式 中文 go went 去 do did 做 have had 有；吃 get got 得到 say said 说 核心不规则动词表（2） 原形 过去式 中文 give gave 给 hear heard 听见 write wrote 写 lose lost 丢失 forget forgot 忘记 一般过去时（II）肯定句 结构：主语 + 不规则动词过去式。 无人称、数的变化，直接用过去式。 例句：She went to school yesterday. 例句：They had a good time last week. 注意：动词必须用过去式，不能用原形。 肯定句例句精讲 1.He gave me a book yesterday.（give—gave） 2.I got up at 6:00 last Monday.（get—got） 3.She wrote a letter to her friend.（write—wrote） 4.We did our homework last night.（do—did） 口诀：过去发生动作，动词变过去式。 一般过去时否定句（规则） 1.结构：主语 + didn’t + 动词原形。 2.关键词：didn’t = did not，所有人称通用。 3.重点：didn’t后必须跟动词原形。 4.过去式要还原，不能再用went/had等。 例句：He didn’t go to park yesterday. 否定句易错点提醒 错误：He didn’t went… → 正确：didn’t go。 错误：She didn’t had… → 正确：didn’t have。 只要出现didn’t，后面动词一律用原形。 时间状语放在句末即可。 否定句不改变时间标志词。 否定句例句练习 1.I didn’t lose my key last week. 2.They didn’t hear the news just now. 3.She didn’t write a diary yesterday. 4.We didn’t have classes last Sunday. 口诀：didn’t打头阵，动词现原形。 一般过去时一般疑问句 1.结构：Did + 主语 + 动词原形？ 2.Did放句首，后面动词必须用原形。 3.回答：Yes, 主语+did. / No, 主语+didn’t. 例句：Did you go to zoo last Saturday? 注意：went→go，had→have，gave→give。 一般疑问句回答规则 1.肯定回答：Yes, I/you/he/she/they did. 2.否定回答：No, I/you/he/she/they didn’t. 3.回答中不用动词过去式，只用did/didn’t。 例句：—Did he get a gift? —Yes, he did. 例句：—Did they forget it? —No, they didn’t. 特殊疑问句（结构） 1.结构：疑问词 + Did + 主语 + 动词原形？ 2.常用疑问词：what, where, when, who等。 例句：Where did you go last Sunday? 例句：What did she do yesterday? 特殊疑问词+一般疑问句语序。 殊疑问句易错点 1.疑问词后紧跟Did，再接主语。 2.动词依然用原形，不能用过去式。 3.对地点提问用where，对事情用what。 例句：When did they begin the class? 口诀：疑问词放前面，did紧跟在后面。 时间标志词（必背） 1.yesterday（昨天） 2.last week/last month/last year（上周/上月/去年） 3.just now（刚才） 4.…ago（……以前） 5.in 2023（在过去某一年） 看到以上词，优先用一般过去时。 时态判断小技巧 1.先找时间标志词，确定过去时间。 2.看动词：规则+ed，不规则记变形。 3.否定/疑问：一律用didn’t+动词原形。 4.肯定句：直接用不规则过去式。 5.检查：动词形式是否正确。 基础练习一——动词变过去式 1.am → __________2.go → __________3.hear → __________ 4.give → __________5.write → __________6.do → __________ 7.have → __________8.say → __________9.get → __________ 10.forget → __________11.lose → __________12.bring → __________ 13.begin → __________14.keep → __________ 要求：写出下列动词的不规则过去式。 was went heard gave wrote did had said got forgot lost brought began kept 基础练习二——用所给词适当形式填空 1.I _________ (go) to Beijing last summer. 2.She _________ (not do) her homework yesterday. 3._________ you _________ (get) a present last week? 4.They _________ (hear) a strange noise just now. 5.He _________ (lose) his pen yesterday morning. went didn’t do Did get heard lost 基础练习二 6.We _________ (have) a party last Sunday. 7.My mother _________ (give) me a new bag. 8.What _________ you _________ (do) yesterday? 9.She ___________ (not write) a letter last night. 10.They _________ (forget) the time this morning. had gave did do didn’t write forgot 句型转换练习——改否定句(规则：didn’t+动词原形。) 1.I went to the library yesterday. → ____________________________________ 2.He had breakfast at 7:00. → ____________________________________ 3.They gave some food to the poor. → ____________________________________ 4.She wrote a story last week. → ____________________________________ I didn’t go to the library yesterday. He didn’t have breakfast at 7:00. They didn’t give any food to the poor. She didn’t write a story last week. 句型转换练习——改一般疑问句 1.You saw a film last night. → ____________________________________ 2.He got up late yesterday. → ____________________________________ 3.They did housework last Sunday. → ____________________________________ 规则：Did+主语+动词原形？ Did you see a film last night? Did he get up late yesterday? Did they do housework last Sunday? 句型转换练习——对划线部分提问 1.I went to the park yesterday.（地点） → ____________________________________ 2.She did her homework last night.（动作） → ____________________________________ 3.They had a party last Monday.（时间） → ____________________________________ Where did you go yesterday? What did she do last night? When did they have a party? 单项选择 1.He ______ to school yesterday. A. go B. goes C. went 2.They ______ TV last night. A. watch B. watched C. watches 3.Did you ______ your homework? A. do B. did C. does 4.She ______ to music last week. A. listen B. listened C. listens C B A B 单项选择 1.—Did you go to zoo? —Yes, I ______. A. do B. did C. am 2.He didn’t ______ his bag. A. lose B. lost C. losing 3.Where ______ you go yesterday? A. do B. did C. does 4.They ______ a good time last trip. A. have B. has C. had B A B C 英汉互译 1.我昨天去了超市。 → ____________________________________ 2.他上周没有写作业。 → ____________________________________ 3.你刚才听见那个声音了吗？ → ____________________________________ 4.他们上个月举办了一场聚会。 → ____________________________________ I went to the supermarket yesterday. He didn’t do his homework last week. Did you hear that noise just now? They had a party last month. 情景补全对话 A: Where ________ you go yesterday? B: I ________ to the bookstore. A: ________ you buy any books? B: Yes, I ________. I ________ a storybook. A: What ________ you do last Sunday? B: I ________ my homework at home. 要求：用did/didn’t/动词过去式填空。 did went Did did bought did did 易错题总结（1） 1.错误：didn’t went → 正确：didn’t go 2.错误：Did you went… → 正确：Did you go… 3.错误：he do → 正确：he did 4.核心：did/ didn’t后一律用动词原形。 5.肯定句：必须用不规则过去式。 易错题总结（2） 1.be动词过去式：was/were，不用did。 2.否定：wasn’t/weren’t，不用didn’t。 3.时间标志词一出现，锁定一般过去时。 4.不规则动词每天背5个，反复记忆。 5.句式结构不变，只变动词形式。 知识梳理（1） 1.概念：过去动作、状态、习惯。 2.动词：不规则过去式，需记忆。 3.肯定句：主语+动词过去式。 4.否定句：主语+didn’t+动词原形。 5.疑问句：Did+主语+动词原形？ 知识梳理（2） 1.特殊疑问句：疑问词+did+主语+动词原形？ 2.时间标志词：yesterday, last…, just now等。 3.答题步骤：找时间→定时态→变动词。 4.重点突破：不规则动词+句式转换。 5.多练习，熟练掌握，考试不丢分。 教学课件 Unit4 语法专项—— 一般过去时（II） Thank you for listening! 33 $