Unit 7 Grammar 语法——过去进行时导学案2025-2026学年沪教版八年级英语下册

该初中英语导学案聚焦八年级上册Unit 7过去进行时，核心知识点包括基本结构（was/were+动词-ing）、句型转换及when与while的辨析。课堂导入通过例句引导学生观察动词短语，自主发现动作发生的时间（过去）和状态（正在进行），搭建从感知到理解的学习支架，为后续结构探究与对比辨析奠定基础。 这份导学案以情境化学习为主线，即时巩固（句型转换）、综合闯关（填空、改错、翻译）等分层练习提升语言能力，情境微写作（The Alibi）让学生在真实语境中运用语法，培养思维品质，同时通过观察发现、探究规律等环节引导学生主动调适学习策略，发展学习能力，助力高效掌握语法知识。

八年级英语上册语法专项探究学案 Unit 7 Past Continuous Tense (过去进行时) Class: ________ Name: ___________ No.: ____ Date: _________ 【学习目标】 1. 掌握过去进行时的基本结构：was/were + 动词-ing。 2. 能正确使用过去进行时的肯定句、否定句和疑问句形式。 3. 能准确区分和使用 when 和 while 引导的时间状语从句，并在真实语境中进行表达。 一、 情境导入，感知语法 (Lead-in) 【观察发现】请仔细阅读以下句子，并圈出句子中的动词短语部分，思考它们有什么共同点。 1. At 8:00 PM last night, I was doing my homework. 2. Han Mei was watching a TV show about the Canton Tower at this time yesterday. 3. The workers were building the new Metro Line 28 when it started to rain suddenly. 【我的发现】以上句子描述的都是在 ____________（过去 / 现在）某个具体时刻或某段时间内 ____________（已经完成 / 正在进行）的动作。 二、 寻根问底，探究结构 (Discovery & Practice) 【探究规律】请根据上面的例句，补全过去进行时的基本结构公式： ★ 核心结构公式：主语 + ____________ / ____________ + 动词的 ____________ 形式. 💡 记忆口诀：be动词过去式 (was/were) 加 doing，过去正在做某事。单数主语用 was，复数主语用 were，you 永远用 were。 ✍️ 即时巩固一：句型魔术师 (Sentence Transformation) 1. (肯定句) He was watching TV at 9:00 last night. (变否定句) He ________ ________ watching TV at 9:00 last night. 2. (肯定句) They were playing basketball at that time. (变一般疑问句) ________ they ________ basketball at that time? (作肯定回答) Yes, ________ ________. 3. (划线提问) She was reading a book when I came in. ________ ________ she ________ when you came in? 三、 双雄会面，对比辨析 (when vs. while) 【观察发现】过去进行时经常和一般过去时在同一个句子里“碰面”，请仔细对比以下两组句子： • Sentence A: While I was walking in Yuexiu Park, I saw an old friend. • Sentence B: I was walking in Yuexiu Park when it started to rain suddenly. 【探究规律】 1. while 意为“在……期间”，后面通常接表示 ______________（瞬间动作 / 持续性动作）的带有延续性的动词，常使用过去进行时。 2. when 意为“当……时候”，后面可以接持续性动作，但更常接 ______________（瞬间动作 / 持续性动作）的动词，常使用一般过去时。 ✍️ 即时巩固二：单项选择 (Multiple Choice) ( ) 1. ________ my mother was cooking dinner in the kitchen, the telephone rang. A. When B. While C. Before D. After ( ) 2. I was waiting for the bus at the station ________ the traffic accident happened. A. while B. when C. as D. because ( ) 3. While the students ________ about the project, the teacher came into the classroom. A. talk B. talked C. are talking D. were talking 四、 综合闯关，实战演练 (Comprehensive Practice) ⚡ 闯关 1：动词适当形式填空 (Fill in the blanks with correct forms) 1. At this time yesterday, we _________________ (have) an English grammar class. 2. What ________ your brother _________________ (do) at 8:00 last night? 3. I _________________ (not sleep) when you called me. In fact, I was reading a novel. 4. While they _________________ (clean) the classroom, it began to rain heavily. ⚡ 闯关 2：火眼金睛找错误 (Error Correction) *下面每个句子都有一处语法错误，请圈出错误并在横线上改正。* 1. They was playing football at 4:00 yesterday afternoon. ( _______ 改为 _______ ) 2. What were you do at eight last night? ( _______ 改为 _______ ) 3. While he read a book in the room, the lights went out. ( _______ 改为 _______ ) ⚡ 闯关 3：精准翻译 (Translation) 1. 昨晚九点，我正在房间里听音乐。 I ________ ________ ________ ________ in my room at 9:00 last night. 2. 当他在珠江新城等地铁的时候，他看到了他的英语老师。 ________ he ________ ________ for the subway at Zhujiang New Town, he saw his English teacher. 五、 语境输出，实际运用 (Production) 【情境微写作】The Alibi (不在场证明) 背景：昨晚 9:00 珠江新城发生了一起“名画失窃案”，警察正在询问你。为了证明你的清白，请用过去进行时写出昨晚 9:00 你和你的家人（至少提到另外两名家庭成员）正在做什么。 Your Report: At 9:00 PM last night, I was ____________________________________________________. _______________________________________________________________________________ _______________________________________________________________________________ We didn't know anything about the case! 学科网（北京）股份有限公司 $