Unit4 语法专项 一般过去时&过去进行时、used to课件 2025-2026学年教科版(五四学制) 七年级英语下册

该初中英语课件系统梳理了Unit4核心语法：一般过去时、过去进行时及used to的用法，通过“含义-结构-例句”分层解析，结合对比表格（如when/while/as时态搭配）、记忆口诀（“长进行，短过去”）等方式，建立各语法点间的逻辑联系，帮助学生形成完整的时态知识体系。 其亮点在于以“全解精讲+分层练习”提升语言能力，如通过“动词填空”巩固时态结构，“句型转换”训练灵活运用，“英汉互译”强化语境表达。同时，设置易错点辨析（如used to与be used to doing的区分）培养思维品质，分层练习满足不同学生需求，助力教师精准复习，有效提升学生语法应用能力。

教学课件 教科版英语七年级下册 Unit4 语法专项—— 一般过去时&过去进行时、used to 全解精讲+分层练习 1 学习目标 1.掌握一般过去时的含义、结构与用法 2.掌握过去进行时的含义、结构与用法 3.分清when/while/as的时态搭配规则 4.熟练使用used to的肯定、否定、疑问句式 一般过去时——核心含义 1.表示过去已经完成的动作或状态 2.强调动作结束，不强调持续 3.常搭配：yesterday, last week, just now, …ago 例句：She helped many people last year. 翻译：她去年帮助了很多人 一般过去时——基本结构 1.肯定句：主语 + 动词过去式 2.be动词：was/were 3.实义动词：walked, went, did, became 4.否定句：主语 + didn’t + 动词原形 5.疑问句：Did + 主语 + 动词原形? 一般过去时——例句 1.He became a famous pioneer when he was young. 2.They worked hard to help the poor. 3.She lived a simple life all her life. 4.Did he help others when he was a child? 5.He didn’t give up when he met difficulties. 过去进行时——核心含义 1.表示过去某一时刻/某段时间正在进行的动作 2.强调动作持续、未完成 3.常搭配：at that time, at 8:00 last night, when… 例句：I was reading at 8 last night. 翻译：昨晚八点我正在看书 过去进行时——基本结构 1.肯定句：主语 + was/were + doing 2.单数主语(I/he/she/it) → was doing 3.复数主语(we/you/they) → were doing 4.否定句：was/were not + doing 5.疑问句：Was/Were + 主语 + doing? 过去进行时——例句 1.He was working hard to help others all his life. 2.They were studying the hero’s story at that time. 3.She was helping people when I saw her. 4.Were you listening to the teacher just now? 5.He wasn’t playing when others were working. 一般过去时 vs 过去进行时（对比） 1.一般过去时：短动作、已完成、一次性 2.过去进行时：长动作、在进行、持续性 3.记忆口诀：长进行，短过去 对比：He came.（过去时） 对比：He was coming.（进行时） 连接词 when 用法 1.句式：长动作(过去进行) + when + 短动作(一般过去) 2.含义：一个动作打断另一个正在进行的动作 例句：I was sleeping when the bell rang. 翻译：铃响的时候，我正在睡觉 关键词：打断、突然发生 连接词 while 用法 1.句式：前后都用过去进行时 2.含义：两个长动作同时持续发生 例句：While I was doing homework, she was reading. 翻译：我做作业时，她在看书 关键词：同时、同步进行 连接词 as 用法 1.含义：随着……；一边……一边…… 2.强调动作同步、伴随变化 3.常搭配：time went by, grow older 例句：As he grew older, he became braver. 翻译：随着长大，他变得更勇敢 when/while/as 用法表格 单词 核心用法 时态搭配 when 短动作打断长动作 进行时 + when + 过去时 while 两个长动作同时 进行时 + while + 进行时 as 随着、伴随变化 同步进行 时态易错点1 1.错误：When I arrive, he slept. 2.正确：When I arrived, he was sleeping. 原因：描述过去，短动作用过去时 原因：背景长动作用过去进行时 口诀：when从句短，主句长 时态易错点2 1.错误：While he walked, it rained. 2.正确：While he was walking, it rained. 3.原因：while后必须接持续长动作 4.不能接短暂性动词：come, go, stop 5.口诀：while后面要进行 used to —— 核心含义 1.used to + 动词原形 2.表示过去常常做，现在不做了 3.只用于过去，无现在/将来时 4.强调今昔对比 例句：He used to be shy. used to —— 肯定句 1.结构：主语 + used to + 动词原形 2.注意：used不随人称变化 例句：She used to get up early. 例句：They used to live in a small village. 翻译：他们过去住在小村庄 used to —— 否定句 1.标准结构：主语 + didn’t use to + 动词原形 2.注意：did后used变回use 3.不推荐：usedn’t to（初中不常用） 例句：He didn’t use to like sports. 翻译：他过去不喜欢运动 used to —— 一般疑问句 1.结构：Did + 主语 + use to + 动词原形? 2.注意：句首用Did，后面用use 3.不推荐：Used he to…?（初中不常用） 例句：Did you use to walk to school? 翻译：你过去步行上学吗？ used to —— 回答 1.肯定回答：Yes, 主语 + did. 2.否定回答：No, 主语 + didn’t. 3.不能用：Yes, I used. / No, I usedn’t. 例句：—Did he use to be quiet? —Yes, he did. used to 易混淆辨析 1.used to do sth. 过去常常做某事 2.be used to doing sth. 习惯于做某事 3.be used to do sth. 被用来做某事 例句：He is used to getting up early. 翻译：他习惯早起 used to 例句 1.He used to live a hard life. 2.She didn’t use to be brave. 3.Did they use to help others? 4.He used to work on a farm. 5.Now he helps many poor people. 语法小结1（时态） 1.一般过去时：过去完成、短暂动作 2.过去进行时：过去正在、持续动作 3.when：短动作打断长动作 4.while：两个长动作同时 5.as：随着、伴随变化 语法小结2（used to） 1.used to + 动原：过去常常，今非昔比 2.否定：didn’t use to 3.疑问：Did…use to…? 4.回答：did/didn’t 5.区分：be used to doing（习惯于） 一、动词填空（时态） 1.I _____________ (walk) home when it ________ (rain). 2.They ______________ (watch) TV while I ___________ (do) homework. 3.When the teacher ________ (come), we ______________ (talk). 4.As he ___________ (grow), he ________ (learn) to help others. 5.She ________ (help) the poor when she ________ (be) young. was walking rained were watching was doing came were talking was growing learned helped was 6.He ______________ (write) a story at 8 last night. 7.They ______________ (not play) while the teacher was speaking. 8.________ you ________ (read) when I called you? 9.My father ________ (work) in a factory many years ago. 10.The girl ________ (sing) as she ______________ (walk). was writing weren’t playing Were reading worked sang was walking 二、选词填空（when/while/as） 1.________ I was reading, my mom was cooking. 2.I met my friend _____________ I was walking. 3.________ time went by, he became stronger. 4.He was running ________ the bell rang. 5.________ they were working, they sang happily. While when/while As when While 三、used to 填空 1.He ____________ (be) short, but now he is tall. 2.They __________________ (not like) English before. 3.________ you _________________ (walk) to school? 4.People ________________________ (have) phones long ago. 5.My grandpa __________________ (live) in a village. used to be didn’t use to like Did use to walk didn’t use to have used to live 四、句型转换 1.He used to be a quiet boy.（否定句） 2.She was reading when I arrived.（一般疑问句） 3.While we were playing, Tom came.（对Tom提问） 4.Did you use to watch TV?（肯定+否定回答） 5.They helped others last week.（否定句） He didn’t use to be a quiet boy. Was she reading when you arrived? Who came while you were playing? Yes, I did. / No, I didn’t. They didn’t help others last week. 五、单项选择 1.He ______ get up late, but now he is early. A. used to B. uses to C. is used to 2.When I ______, she ______. A. came; read B. came; was reading C. come; read 3.______ I was sleeping, my mom came in. A. When B. While C. As A B B 4.______ the years passed, things changed. A. When B. While C. As 5.They ______ hard to make their dream come true. A. did B. were doing C. do 6.—Did you use to like sports? —______ A. Yes, I did. B. Yes, I used. C. No, I don’t. C A A 六、英汉互译 1.他过去常常帮助别人。 2.当我进来时，他们正在读书。 3.她做作业时，妈妈在做饭。 4.你过去常常早起吗？ 5.随着他长大，他变得更善良。 He used to help others. When I came in, they were reading. While she was doing homework, her mom was cooking. Did you use to get up early? As he grew up, he became kinder. 课堂总结 1.分清一般过去时与过去进行时用法 2.牢记when/while/as的搭配规则 3.掌握used to的三种句式 4.避开易错点：use变use、时态搭配 5.多练习，熟练运用到写作与口语 教学课件 Unit4 语法专项—— 一般过去时&过去进行时、used to Thank you for listening! 34 $