Unit5 单元语法精讲精练（湖北专用）2025-2026学年人教版英语八年级下册

**基本信息** 聚焦过去进行时，通过基础辨析、规则应用到语篇综合的三阶分层设计，强化语法结构理解与情境运用，提升语言能力和思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|过去进行时基本结构、when/while基础区别|单项选择（8题）聚焦核心考点判断，如was/were搭配及引导词信号特征| |进阶层|动词形式变化、连接词情境应用|填空题型（10题）强化规则运用，如动词适当形式填空和when/while语境填空| |综合层|句型转换、语篇语法整合|句型转换（4题）与短文填空（4题）实现从单句到语篇的综合应用，培养逻辑分析能力|

单元语法精讲精练 (Grammar Focus) 语法精讲 一、过去进行时核心精讲 用法类型 核心功能 常见结构 / 搭配 易错点提醒 过去进行时 过去某刻 / 某段时间正在做 1. 基本结构：was /were + 现在分词What were you doing while it was snowing?2. 常用搭配：when / while 引导时间状语 1. while 从句必须用进行时；2. when 从句可用短暂性动词（一般过去时）；3. 现在分词：直接 + ing；去 e+ing；双写 + ing when ① 当…… 时候② 突然 主句（过去进行时）+ when + 从句（一般过去时）We were driving home when the wind started. when 可接短暂动作（hit/start/call） while 正当…… 期间 While + 从句（过去进行时）+ 主句While we were driving, the wind started. while 从句必须是延续性动作，必须用进行时 本单元核心语法为过去进行时，表示过去某一时刻或某一段时间内正在进行的动作，常与 when / while 引导的时间状语从句连用，描述一个动作发生时，另一个动作正在进行。 2、 本单元语法核心考点速记 when /while 解题判断逻辑 引导词 信号特征 从句动词 时态规则 when 正当…… 时、在…… 期间 短暂性动词（hit/start/call） 从句用一般过去时 while 正当…… 时、在…… 期间 延续性动词（wait/drive/rain） 从句用过去进行时 2. 过去进行时核心结构 • 肯定：主语 + was/were + doing • 否定：主语 + wasn’t/weren’t + doing • 疑问：Was/Were + 主语 + doing…? 3. 易混句型对比 结构 含义 核心区别 例句 did... when... 当…… 时做了某事 主句：短暂动作（一般过去时） I was reading when he called. was/were doing while... 正当…… 时正在做 从句：延续动作（进行时） While it was snowing, I was travelling. 语法精练 一、单项选择 ( )1. What ____ you doing when the typhoon hit? A. was B. were C. did D. do ( )2. I ____ on the train while it was snowing. A. travelled B. was travelling C. travels D. am travelling ( )3. My family ____ dinner when my neighbour called. A. had B. is having C. were having D. was having ( )4. We were driving home ____ the strong winds started. A. when B. while C. as D. since ( )5. ____ we were driving home, the rain began to fall. A. When B. While C. Before D. After ( )6. It ____ hard while we were driving back. A. rains B. rained C. is raining D. was raining ( )7. My sister ____ a letter when her brother called. A. wrote B. writes C. was writing D. is writing ( )8. They ____ for the bus when the storm came. A. wait B. waited C. were waiting D. was waiting 答案：1.B 2.B 3.C 4.A 5.B 6.D 7.C 8.C 二、用 when /while 填空 1.____ I was doing my homework, the typhoon landed. 2.The power went out ____ my father and I were making dinner. 3.Kate was writing a letter ____ her brother called. 4.____ my parents were packing supplies, I moved things off the floor. 5.I was sleeping ____ it rained heavily. 答案：1.While 2.when/while 3.when 4.While 5.when 三、用所给动词的适当形式填空 1.What ____ you ____ (do) while it was snowing? 2.We ____ (drive) home when the wind started. 3.My family ____ (have) dinner when the phone rang. 4.While we ____ (wait), it began to rain. 5.They ____ (not play) football at 4:00 yesterday afternoon. 答案：1.were; doing 2.were driving 3.were having 4.were waiting 5.weren’t playing 四、句型转换（每空一词） 1.I was reading when the typhoon came.（对划线提问） ____ ____ you ____ when the typhoon came? 2.They were watching TV at that time.（否定句） They ____ ____ TV at that time. 3.It was raining while we were driving.（同义句） We were driving ____ it ____. 4.My father was repairing the window.（一般疑问句） ____ your father ____ the window? 答案：1.What were; doing 2.weren’t watching 3.when; rained 4.Was; repairing 五、短文填空（用 was, were, when, while 填空） 1.When Jenny looked up, thick clouds ____ forming. 2.____ they were waiting, her sister cried. 3.The family ran to the room ____ the storm came. 4.People ____ asking for help while some ____ clearing the streets. 答案：1.were 2.While 3.when 4.were were 学科网（北京）股份有限公司 $ 单元语法精讲精练 (Grammar Focus) 语法精讲 一、过去进行时核心精讲 用法类型 核心功能 常见结构 / 搭配 易错点提醒 过去进行时 过去某刻 / 某段时间正在做 1. 基本结构：was /were + 现在分词What were you doing while it was snowing?2. 常用搭配：when / while 引导时间状语 1. while 从句必须用进行时；2. when 从句可用短暂性动词（一般过去时）；3. 现在分词：直接 + ing；去 e+ing；双写 + ing when ① 当…… 时候② 突然 主句（过去进行时）+ when + 从句（一般过去时）We were driving home when the wind started. when 可接短暂动作（hit/start/call） while 正当…… 期间 While + 从句（过去进行时）+ 主句While we were driving, the wind started. while 从句必须是延续性动作，必须用进行时 本单元核心语法为过去进行时，表示过去某一时刻或某一段时间内正在进行的动作，常与 when / while 引导的时间状语从句连用，描述一个动作发生时，另一个动作正在进行。 2、 本单元语法核心考点速记 when /while 解题判断逻辑 引导词 信号特征 从句动词 时态规则 when 正当…… 时、在…… 期间 短暂性动词（hit/start/call） 从句用一般过去时 while 正当…… 时、在…… 期间 延续性动词（wait/drive/rain） 从句用过去进行时 2. 过去进行时核心结构 • 肯定：主语 + was/were + doing • 否定：主语 + wasn’t/weren’t + doing • 疑问：Was/Were + 主语 + doing…? 3. 易混句型对比 结构 含义 核心区别 例句 did... when... 当…… 时做了某事 主句：短暂动作（一般过去时） I was reading when he called. was/were doing while... 正当…… 时正在做 从句：延续动作（进行时） While it was snowing, I was travelling. 语法精练 一、单项选择 ( )1. What ____ you doing when the typhoon hit? A. was B. were C. did D. do ( )2. I ____ on the train while it was snowing. A. travelled B. was travelling C. travels D. am travelling ( )3. My family ____ dinner when my neighbour called. A. had B. is having C. were having D. was having ( )4. We were driving home ____ the strong winds started. A. when B. while C. as D. since ( )5. ____ we were driving home, the rain began to fall. A. When B. While C. Before D. After ( )6. It ____ hard while we were driving back. A. rains B. rained C. is raining D. was raining ( )7. My sister ____ a letter when her brother called. A. wrote B. writes C. was writing D. is writing ( )8. They ____ for the bus when the storm came. A. wait B. waited C. were waiting D. was waiting 二、用 when /while 填空 1.____ I was doing my homework, the typhoon landed. 2.The power went out ____ my father and I were making dinner. 3.Kate was writing a letter ____ her brother called. 4.____ my parents were packing supplies, I moved things off the floor. 5.I was sleeping ____ it rained heavily. 三、用所给动词的适当形式填空 1.What ____ you ____ (do) while it was snowing? 2.We ____ (drive) home when the wind started. 3.My family ____ (have) dinner when the phone rang. 4.While we ____ (wait), it began to rain. 5.They ____ (not play) football at 4:00 yesterday afternoon. 四、句型转换（每空一词） 1.I was reading when the typhoon came.（对划线提问） ____ ____ you ____ when the typhoon came? 2.They were watching TV at that time.（否定句） They ____ ____ TV at that time. 3.It was raining while we were driving.（同义句） We were driving ____ it ____. 4.My father was repairing the window.（一般疑问句） ____ your father ____ the window? 五、短文填空（用 was, were, when, while 填空） 1.When Jenny looked up, thick clouds ____ forming. 2.____ they were waiting, her sister cried. 3.The family ran to the room ____ the storm came. 4.People ____ asking for help while some ____ clearing the streets. 学科网（北京）股份有限公司 $