Unit 6【刷语法】过去进行时（重点语法提升练）-2026-2027学年八年级英语上册单元模块满分必刷题（新教材外研版）

**基本信息** 聚焦过去进行时，通过定义-结构-连词辨析的递进逻辑构建方法体系，配套多样化题型实现语法应用能力专项突破，提升语言能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |语法讲解|when/while/as用法对比|过去进行时"was/were+doing"结构及时间状语特征；when/while/as在瞬间/延续动作、长/短动作搭配中的应用规则|从概念定义（过去某时刻/阶段动作）到结构公式，再到连词辨析的层级递进| |单项选择|30题|时态判断与连词选择技巧|覆盖不同时间状语（at this time yesterday等）及动作类型（长/短动作）的考点| |单词拼写|10题|动词-ing形式及否定结构运用|强化时态结构在具体语境中的准确表达| |完成句子|20题|句式转换（改写/合并）方法|训练从基础句型到复杂语境的语法迁移能力|

2026-2027学年八年级英语上册单元模块满分必刷题（新教材外研版） Unit 6 When disaster strikes【刷语法】(重点语法提升练) 过去进行时 过去进行时表示过去某一时刻或某一阶段正在进行或发生的动作，意为“那时正在……” 。常用的标志词：at 2:00 yesterday，at this time yesterday，while / when，then / at that time / at that moment；when my father got home当我爸爸回到家的时候；when I passed by the playground当我经过操场的时候；while I was reading当我正在阅读的时候。 过去进行时的用法： 时态 含义 结构 时间状语 过去进行时 表示在过去某段时间内正在发生的事情或行为。 was/were +动词-ing形式 at 2:00 yesterday，at this time yesterday，while / when，then / at that time / at that moment；when my father got home 过去进行时的结构： when,while和as的用法 (1)when, while和as这三个词均有“当······时候”的意思。 如:There were already many people in the meeting room when he arrived.他到场时会议室已有很多While Millie was watching TV, her mum was sleeping.米莉在看电视时她妈妈在睡觉。 I saw a traffic accident as I was riding to school this morning.今天早晨我骑车上学时看见一起交通事故。 (2)when和as既可以指某一点时间,也可以指某一段时间,其引导的从句中的谓语动词表示的动作既可以是瞬间性的,也可以是延续性的;while指一段时间,其引导的从句中的谓语动词必须是延续性的。指一段时间时,when、while和as都可用;指某一点时间时,只能用when或as,不能用while。 试比较: When/As he woke up, it was eight o'clock.(✓) While he woke up, it was eight o'clock.(x) When/While/As I was waiting for a bus, I met her.(✓) (3)当某个动作正在进行时,又发生了另一动作,我们常用过去进行时表示正在进行的长动作, 用一般过去时表示短动作。此时when、while、as都可以连接主从句,构成“一般过去时+when/while/as+过去进行时”结构,过去进行时动作成为一般过去时动作发生的“背景”。这种情况下,连词when、while、as既可位于句中,也可位于句首。 如: It began to rain heavily when/while/as we were having dinner. 我们在吃晚饭时,开始下起大雨。(have dinner为长动作) When/While/As we were reading, a stranger came in. 当我们正在看书时,一个陌生人走了进来。(read 为长动作) (4)谈论两个同时进行的长动作(事件、情况),常用“过去进行时+while+过去进行时”结构。while也可位于句首。 如:They were rowing boats while we were climbing the hill.当我们在爬山时,他们在划船。 While she was making a phone call, I was writing an email.当她在打电话时,我正在写一封电子邮件。 (5)强调某个动作正在进行时,另一个动作突然发生,常用“过去进行时+when+一般过去时”结构。 如:I was walking in the street when he called me.他打电话给我时,我正走在街上。 语法精练语法精讲 过关测试满分：60分 时间：40分钟 一、单项选择(每小题1分，共30分) 1．I was doing my homework ________ my mom came back. A．when B．while C．because 2．—You look terrible, what’s the matter? —I________ the volunteers in the neighbourhood when it suddenly started to rain cats and dogs. A．was interviewing B．interviewed C．am interviewing 3．— I called you at 8 o’clock last night, but nobody answered. — Oh, I ________ a shower at that time. A．took B．was taking C．am taking D．will take 4．—Where were you at 8 yesterday evening? —I ________ a movie in a city cinema with my wife. After that, we went home. A．was watching B．will watch C．watched D．is watching 5．My father ________ a newspaper when I got home yesterday evening. A．reads B．is reading C．was reading D．will read 6．I ________ my English notes when the thunder suddenly rolled across the sky. A．review B．was reviewing C．reviews 7．—Why didn’t you answer my call last night? —Sorry, I ________ a shower at that time. A．took B．was taking C．will take D．have taken 8．—What did your father say to you just now? —He asked me what I ________ at that moment. A．am doing B．was doing C．will do D．do 9．—Why didn’t you answer my call just now? —I ________ my homework carefully at that time. A．did B．was doing C．do 10．________ I got home yesterday, my mom was preparing supper. A．While B．When C．Before D．After 11．My brother was playing games ______ I was preparing for the English test. A．when B．while C．as soon as D．until 12．—________ you ________ when the earthquake started last night? —Yes, I was just about to fall asleep. A．Did; sleep B．Were; sleeping C．Are; sleeping D．Do; sleep 13．While I ________ the bus, I saw an old man fall down suddenly. A．wait for B．am waiting for C．was waiting for D．waited for 14．While my brother ________ his computer, my father came home from work. A．repaired B．is repairing C．was repairing D．has repaired 15．—Who ________ you ________ with at 3 p.m. yesterday? —Tom, we talked about Mars. A．do; stay B．did; stay C．were; staying D．are; staying 16．—Has Tom finished his speech which will be handed in tomorrow, yet? —I guess not. He ________ on it when I walked past his room. A．was working B．worked C．is working D．has worked 17．—What ________ you ________ at 3:00 p.m. yesterday afternoon? —I was reading a book about outdoor adventures. A．do; do B．did; do C．were; doing D．are; doing 18．I ________ TV when my mother came back. A．watch B．watched C．am watching D．was watching 19．The students ________ classes in the classroom building when the earthquake happened. A．are having B．were having C．have D．had 20．While my mother ________ dinner, I was doing my homework. A．was cooking B．is cooking C．cooked 21．She ________ TV when I came in. A．watches B．watched C．was watching 22．—I called you at 8 o’clock yesterday evening, but no one answered. —Oh, sorry. I ________ a shower at that time. A．took B．was taking C．have taken D．will take 23．—Why didn’t you answer my phone call, David? —I’m sorry, but I ________ then. A．drove B．was driving C．have driven D．is driving 24．When the earthquake happened, the students ________ an English class. A．have B．had C．were having 25．While he ________ the lesson quietly in the study, the telephone rang loudly. A．is reviewing B．reviews C．reviewed D．was reviewing 26．The children ________ football in the park when it suddenly ________ to rain. A．played; began B．played; was beginning C．were playing; began D．were playing; was beginning 27．I ________ a maths problem with Joe when Mike called me up. A．discuss B．discussed C．was discussing D．will discuss 28．—Helen, I didn’t see you in the classroom at five yesterday afternoon. —Oh, I ________ singing for the graduation ceremony at that time. A．will practise B．have practised C．am practising D．was practising 29．He was riding his bike ________ he met his old friend. A．while B．when C．because D．if 30．They ________ not ________ the spaceship at that moment. A．are; checking B．were; checking C．do; check D．did; check 二、单词拼写(每小题1分，共10分) 31．Five million other people ________ (do) the same programme at that time. 32．She ________ (lie) on the grass when it started to rain. 33．We ________ (not do) our homework at 8 last night. We ________ (watch) TV. 34．While he ________ (read) a book, the phone ________ (ring). 35．They ________ (plant) trees from 9 to 11 yesterday morning. 36．What ________ your parents ________ (do) when you got home yesterday? 37．While we ________ (walk) in the park, it began to rain heavily. 38．She ________ (cook) dinner when her husband came home. 39．— ________ they ________ (swim) in the pool at that moment? — No, they weren’t. 40．What ________ she ________ (write) at 7 p.m. yesterday? 三、完成句子(每小题2分，共20分) 41．Su Yang watches Animal World every day. （用 at 9:00 p. m. last Sunday 改写句子) Su Yang ________ ________ Animal World at 9: 00 p.m. last Sunday. 42．People were sleeping. The earthquake happened. (合并为一句) People were sleeping ________ the earthquake ________. 43．We were taking photos when it began to rain. (改为一般疑问句) ________ ________ ________ photos when it began to rain? 44．The Kings were taking a walk at that time. (改为否定句) The Kings ________ ________ a walk at that time. 45．He was walking home. It began to snow.（用when合并句子） He ________ ________ home ________ it began to snow. 46．My mother was washing clothes at five o’clock yesterday afternoon.(对画线部分提问) ________ ________ your mother________ at five o’clock yesterday afternoon? 47．They were having an English class at this time yesterday. (改为否定句) They ________ ________ having an English class at this time yesterday. 48．While my mother was cooking, my father was watching TV. (用when改写句子) My father was watching TV ________ my mother ________ cooking. 49．While I was doing my homework, my brother was playing computer games. (用when改写句子) I ________ ________ my homework ________ my brother was playing computer games. 50．I was reading. My mother was cooking.（用while合并） ________ I ________ ________, my mother ________ ________. 学科网（北京）股份有限公司 $ 2026-2027学年八年级英语上册单元模块满分必刷题（新教材外研版） Unit 6 When disaster strikes【刷语法】(重点语法提升练) 过去进行时 过去进行时表示过去某一时刻或某一阶段正在进行或发生的动作，意为“那时正在……” 。常用的标志词：at 2:00 yesterday，at this time yesterday，while / when，then / at that time / at that moment；when my father got home当我爸爸回到家的时候；when I passed by the playground当我经过操场的时候；while I was reading当我正在阅读的时候。 过去进行时的用法： 时态 含义 结构 时间状语 过去进行时 表示在过去某段时间内正在发生的事情或行为。 was/were +动词-ing形式 at 2:00 yesterday，at this time yesterday，while / when，then / at that time / at that moment；when my father got home 过去进行时的结构： when,while和as的用法 (1)when, while和as这三个词均有“当······时候”的意思。 如:There were already many people in the meeting room when he arrived.他到场时会议室已有很多While Millie was watching TV, her mum was sleeping.米莉在看电视时她妈妈在睡觉。 I saw a traffic accident as I was riding to school this morning.今天早晨我骑车上学时看见一起交通事故。 (2)when和as既可以指某一点时间,也可以指某一段时间,其引导的从句中的谓语动词表示的动作既可以是瞬间性的,也可以是延续性的;while指一段时间,其引导的从句中的谓语动词必须是延续性的。指一段时间时,when、while和as都可用;指某一点时间时,只能用when或as,不能用while。 试比较: When/As he woke up, it was eight o'clock.(✓) While he woke up, it was eight o'clock.(x) When/While/As I was waiting for a bus, I met her.(✓) (3)当某个动作正在进行时,又发生了另一动作,我们常用过去进行时表示正在进行的长动作, 用一般过去时表示短动作。此时when、while、as都可以连接主从句,构成“一般过去时+when/while/as+过去进行时”结构,过去进行时动作成为一般过去时动作发生的“背景”。这种情况下,连词when、while、as既可位于句中,也可位于句首。 如: It began to rain heavily when/while/as we were having dinner. 我们在吃晚饭时,开始下起大雨。(have dinner为长动作) When/While/As we were reading, a stranger came in. 当我们正在看书时,一个陌生人走了进来。(read 为长动作) (4)谈论两个同时进行的长动作(事件、情况),常用“过去进行时+while+过去进行时”结构。while也可位于句首。 如:They were rowing boats while we were climbing the hill.当我们在爬山时,他们在划船。 While she was making a phone call, I was writing an email.当她在打电话时,我正在写一封电子邮件。 (5)强调某个动作正在进行时,另一个动作突然发生,常用“过去进行时+when+一般过去时”结构。 如:I was walking in the street when he called me.他打电话给我时,我正走在街上。 语法精练语法精讲 过关测试满分：60分 时间：40分钟 一、单项选择(每小题1分，共30分) 1．I was doing my homework ________ my mom came back. A．when B．while C．because 【答案】A 【详解】句意：我妈妈回来的时候，我正在做作业。考查连词辨析。 when当……时；while当……时；because因为。“I was doing my homework”是过去进行时，“my mom came back”是一般过去时且came back为短暂性动作，when引导的时间状语从句谓语动词可以是短暂性动词，常用于“正在做某事这时……”句型；while后多接持续性动词；because表原因不符合句意。应填入when。 2．—You look terrible, what’s the matter? —I________ the volunteers in the neighbourhood when it suddenly started to rain cats and dogs. A．was interviewing B．interviewed C．am interviewing 【答案】A 【详解】句意：——你看起来很糟糕，怎么了？——我正在采访社区志愿者时，突然下起了倾盆大雨。 根据后句“when it suddenly started to rain”可知，started是过去时，表示过去某一时刻正在进行的动作被突然事件打断，应用过去进行时，应填was interviewing。 3．— I called you at 8 o’clock last night, but nobody answered. — Oh, I ________ a shower at that time. A．took B．was taking C．am taking D．will take 【答案】B 【详解】句意：——我昨晚8点给你打电话，但没人接。——哦，那时我正在洗澡。 took动词过去式；was taking过去进行时；am taking现在进行时；will take一般将来时。根据“at 8 o’clock last night”和“at that time”可知，表示过去某一时刻正在进行的动作，应用过去进行时，结构为“was/were+现在分词”。应填was taking。 4．—Where were you at 8 yesterday evening? —I ________ a movie in a city cinema with my wife. After that, we went home. A．was watching B．will watch C．watched D．is watching 【答案】A 【详解】句意：——昨晚八点你在哪里？——我正和妻子在一家城市电影院看电影。在那之后，我们就回家了。 问句中“at 8 yesterday evening”表示过去某一具体时间点正在进行的动作，需用过去进行时，结构为“was/were + 现在分词”，主语为I，be动词用was，watch的现在分词为watching。 5．My father ________ a newspaper when I got home yesterday evening. A．reads B．is reading C．was reading D．will read 【答案】C 【详解】句意：昨天晚上我到家时，我的爸爸正在看报纸。 结合“when I got home yesterday evening”，when引导的时间状语从句用一般过去时，主句表示过去某个时刻正在进行的动作，时态应为过去进行时，结构为“was/were+现在分词”。应填入was reading。 6．I ________ my English notes when the thunder suddenly rolled across the sky. A．review B．was reviewing C．reviews 【答案】B 【详解】句意：当雷声突然轰隆隆地响彻天空时，我正在复习我的英语笔记。 根据“when the thunder suddenly rolled across the sky”可知，从句为一般过去时，表示过去某一具体时刻，主句表示当时正在进行的动作，应用过去进行时was/were+doing。主语是“I”，be动词用was。 7．—Why didn’t you answer my call last night? —Sorry, I ________ a shower at that time. A．took B．was taking C．will take D．have taken 【答案】B 【详解】句意：——昨晚你为什么不接我的电话？——对不起，那时我正在洗澡。 根据时间状语“at that time”结合语境可知，表示过去某一特定时刻正在进行的动作，应用过去进行时。应填was taking。 8．—What did your father say to you just now? —He asked me what I ________ at that moment. A．am doing B．was doing C．will do D．do 【答案】B 【详解】句意：——你父亲刚才对你说了什么？——他问我那一刻正在做什么。 主句He asked me是一般过去时，what引导的宾语从句需用过去的某种时态。根据时间状语at that moment可知动作在过去某一时刻正在进行，应用过去进行时，应填was doing。 9．—Why didn’t you answer my call just now? —I ________ my homework carefully at that time. A．did B．was doing C．do 【答案】B 【详解】句意：—— 你刚才为什么不接我的电话？—— 那时我正在认真做我的家庭作业。 根据时间状语“at that time”可知，句子强调过去某个时刻正在进行的动作，要用过去进行时，结构为“was/were+动词现在分词”，主语是I，be动词用was，应填was doing。 10．________ I got home yesterday, my mom was preparing supper. A．While B．When C．Before D．After 【答案】B 【详解】句意：昨天当我到家的时候，我妈妈正在准备晚饭。 While当……时候；When当……时候；Before在……之前；After在……之后。主句“my mom was preparing supper”是过去进行时，表示过去某一时刻正在进行的动作；从句“I got home”是一般过去时，got是瞬间动词。when引导的时间状语从句中谓语动词可以是瞬间动词，表示一个动作发生时另一个动作正在进行；while从句中谓语动词通常是延续性动词。根据动词性质及句意，此处应用when。 11．My brother was playing games ______ I was preparing for the English test. A．when B．while C．as soon as D．until 【答案】B 【详解】句意：我哥哥在玩游戏，而我在准备英语考试。 when当……时（时间点或时间段）；while然而，当……时（强调对比或持续动作）；as soon as一……就；until直到。根据“My brother was playing games”和“I was preparing for the English test”可知，前后两个持续动作同时进行且表示对比，while符合语境。 12．—________ you ________ when the earthquake started last night? —Yes, I was just about to fall asleep. A．Did; sleep B．Were; sleeping C．Are; sleeping D．Do; sleep 【答案】B 【详解】句意：——昨晚地震开始的时候你正在睡觉吗？——是的，我正要睡着。 根据时间状语“when the earthquake started last night”可知，此处表示过去某一时刻正在进行的动作，应用过去进行时，结构为was/were+doing。主语为you，be动词用were。应填Were; sleeping。 13．While I ________ the bus, I saw an old man fall down suddenly. A．wait for B．am waiting for C．was waiting for D．waited for 【答案】C 【详解】句意：当我正在等公交车的时候，我看到一位老人突然摔倒了。 主句谓语动词saw是一般过去时，表示过去发生的动作；while引导的时间状语从句强调动作的持续性，表示过去某一时刻正在进行的动作，应用过去进行时(was/were+doing)；主语是I，be动词用was。应填was waiting for。 14．While my brother ________ his computer, my father came home from work. A．repaired B．is repairing C．was repairing D．has repaired 【答案】C 【详解】句意：当我哥哥正在修他的电脑时，我父亲下班回家了。 repaired修理（一般过去时）；is repairing正在修理（现在进行时）；was repairing正在修理（过去进行时）；has repaired 已经修理（现在完成时）。while引导的时间状语从句通常表示持续性的动作，主句谓语came是一般过去时，表明动作发生在过去。结合语境可知，父亲回家的那一刻，哥哥正在修电脑，表示过去某一时刻正在进行的动作，应用过去进行时，结构为was/were doing。主语my brother是第三人称单数，be动词用was。故选C。 15．—Who ________ you ________ with at 3 p.m. yesterday? —Tom, we talked about Mars. A．do; stay B．did; stay C．were; staying D．are; staying 【答案】C 【详解】句意：——昨天下午三点你正在和谁待在一起？ ——汤姆，我们讨论了火星。根据时间状语“at 3 p.m. yesterday”可知，句子描述的是过去某个具体时间点发生的动作，使用过去进行时。C选项“were；staying”是过去进行时，表示过去某个时刻正在进行的动作，符合“昨天下午三点和谁待在一起”的语境，所以应该选C。 16．—Has Tom finished his speech which will be handed in tomorrow, yet? —I guess not. He ________ on it when I walked past his room. A．was working B．worked C．is working D．has worked 【答案】A 【详解】句意：——汤姆明天要交的演讲稿完成了吗？——我猜没有。当我经过他房间时，他正在写。 was working过去进行时；worked一般过去时；is working现在进行时；has worked现在完成时。when引导的时间状语从句，从句 walked是过去式，主句表示过去某个时刻正在发生的动作，应用过去进行时was/were doing的结构。因此选was working。 17．—What ________ you ________ at 3:00 p.m. yesterday afternoon? —I was reading a book about outdoor adventures. A．do; do B．did; do C．were; doing D．are; doing 【答案】C 【详解】句意：——昨天下午3点你正在做什么？——我正在读一本关于户外冒险的书。 根据时间状语“at 3:00 p.m. yesterday afternoon”可知，问句询问的是过去某一具体时刻正在进行的动作，应用过去进行时，其结构为“was/were+现在分词”。主语为you，be动词用 were，实义动词用doing，故填were；doing。 18．I ________ TV when my mother came back. A．watch B．watched C．am watching D．was watching 【答案】D 【详解】句意：当我妈妈回来时，我正在看电视。 根据“when my mother came back”可知，从句是一般过去时，表示过去具体的时间点，主句表示在过去某一时刻正在进行的动作，应用过去进行时，其结构为was/were doing，主语为I，be动词用was。 19．The students ________ classes in the classroom building when the earthquake happened. A．are having B．were having C．have D．had 【答案】B 【详解】句意：当地震发生时，学生们正在教学楼里上课。 根据“when the earthquake happened”可知，此处表示过去某个时刻正在进行的动作，用过去进行时，其结构为“was/were+动词的现在分词”，主语是复数，用were，have的现在分词是having。 20．While my mother ________ dinner, I was doing my homework. A．was cooking B．is cooking C．cooked 【答案】A 【详解】句意：当妈妈在做晚饭的时候，我正在做作业。 while引导的时间状语从句，强调主从句动作同时发生，主句用了过去进行时（was doing），因此从句也需要用过去进行时（was/were + 现在分词），主语my mother是单数，be动词用was，所以用was cooking。 21．She ________ TV when I came in. A．watches B．watched C．was watching 【答案】C 【详解】句意：我进来的时候，她在看电视。 when引导的时间状语从句用一般过去时，主句表示过去某个时间正在进行的动作，需用过去进行时（was/were + 现在分词），选项应为was watching。 22．—I called you at 8 o’clock yesterday evening, but no one answered. —Oh, sorry. I ________ a shower at that time. A．took B．was taking C．have taken D．will take 【答案】B 【详解】句意：——昨晚八点我给你打电话了，但没人接。——哦，抱歉，我那时正在洗澡。 at that time表示过去某个具体时间点正在进行的动作，所以时态为过去进行时，因此选was taking。 23．—Why didn’t you answer my phone call, David? —I’m sorry, but I ________ then. A．drove B．was driving C．have driven D．is driving 【答案】B 【详解】句意：——大卫，你为什么不接我的电话？——对不起，但我那时正在开车。 根据问句“Why didn’t you answer...”可知，动作发生在过去，结合答语中的时间状语“then”可知，表示过去某一时刻正在进行的动作，应用过去进行时。应填was driving。 24．When the earthquake happened, the students ________ an English class. A．have B．had C．were having 【答案】C 【详解】句意：当地震发生时，学生们正在上英语课。 “When the earthquake happened” 这个表示过去时间点的状语，主句应使用过去进行时，表示在过去某一时刻正在进行的动作；主语the students为复数，对应的过去进行时结构为were+现在分词，应填were having。 25．While he ________ the lesson quietly in the study, the telephone rang loudly. A．is reviewing B．reviews C．reviewed D．was reviewing 【答案】D 【详解】句意：当他正在书房里安静地复习功课时，电话大声地响了起来。 根据“the telephone rang loudly”可知主句是一般过去时。while引导的时间状语从句表示过去某个时刻正在进行的动作，应用过去进行时。主语he是第三人称单数，be动词用was。应填was reviewing。 26．The children ________ football in the park when it suddenly ________ to rain. A．played; began B．played; was beginning C．were playing; began D．were playing; was beginning 【答案】C 【详解】句意：当突然开始下雨时，孩子们正在公园里踢足球。 when引导的时间状语从句中，表示过去正在进行的背景动作用过去进行时，结构为was/were+doing；表示突然发生的短暂动作用一般过去时。主语The children是复数，be动词用were；it是单数，动词用过去式began。应填were playing；began。 27．I ________ a maths problem with Joe when Mike called me up. A．discuss B．discussed C．was discussing D．will discuss 【答案】C 【详解】句意：当Mike给我打电话时，我正在和Joe讨论一道数学题。 根据从句中called可知动作发生在过去，when引导的时间状语从句表示当一个动作发生时，另一个动作正在进行，主句应用过去进行时，结构为was/were doing。 28．—Helen, I didn’t see you in the classroom at five yesterday afternoon. —Oh, I ________ singing for the graduation ceremony at that time. A．will practise B．have practised C．am practising D．was practising 【答案】D 【详解】句意：——海伦，昨天下午五点我没看见你在教室里。——哦，那时我正在练习为毕业典礼唱歌呢。 根据时间状语“at five yesterday afternoon”和答语中的“at that time”可知，过去某一具体时刻正在进行的动作，应用过去进行时，结构为was/were+doing，主语为“I”，be动词用was。应填was practising。 29．He was riding his bike ________ he met his old friend. A．while B．when C．because D．if 【答案】B 【详解】句意：他正在骑自行车时，遇到了他的老朋友。 while当……时候（后常接延续性动词/进行时态）；when当……时候（可接瞬间动词/延续性动词）；because因为；if如果。从句中met是瞬间动词，用when表示“就在这时”。 30．They ________ not ________ the spaceship at that moment. A．are; checking B．were; checking C．do; check D．did; check 【答案】B 【详解】句意：当时他们没有检查宇宙飞船。 句中时间状语at that moment意为“在那时”，表示过去特定时刻正在进行的动作，应使用过去进行时，过去进行时结构为was/were + 现在分词；主语They是复数，be动词用were，check的现在分词为checking。 二、单词拼写(每小题1分，共10分) 31．Five million other people ________ (do) the same programme at that time. 【答案】were doing 【详解】句意：当时还有五百万人也在做同样的节目。时间标志at that time（在那时）是过去进行时的典型时间状语，表示过去特定时间点正在发生的动作。过去进行时结构为was/were+动词现在分词：本句主语Five million other people是复数，be动词用were；动词do的现在分词是doing。 32．She ________ (lie) on the grass when it started to rain. 【答案】was lying 【详解】句意：下雨时她正躺在草地上。when引导时间状语从句，从句时态为一般过去时，主句用过去进行时，主语She为单数，结构用“was+现在分词”，lie“躺”，其现在分词为lying。 33．We ________ (not do) our homework at 8 last night. We ________ (watch) TV. 【答案】 weren’t doing were watching 【详解】句意：昨晚八点我们没在写作业，我们当时在看电视。时间状语“at 8 last night”是过去的具体时刻，用过去进行时：was/were+doing。主语We是复数，be动词统一用were。故填weren’t doing；were watching。 34．While he ________ (read) a book, the phone ________ (ring). 【答案】 was reading rang 【详解】句意：当他正在看书时，电话响了。 while引导时间状语从句，从句多用过去进行时，主语he为单数，故填was reading；主句为短暂性动作，用一般过去时，ring的过去式为rang，故填was reading；rang。 35．They ________ (plant) trees from 9 to 11 yesterday morning. 【答案】were planting 【详解】句意：昨天上午九点到十一点，他们一直在种树。时间状语“from 9 to 11 yesterday morning”是过去一段持续的时间段，强调这段时间一直在做某事，用过去进行时，结构为was/were+现在分词。主语They是第三人称复数，be动词用were。故填were planting。 36．What ________ your parents ________ (do) when you got home yesterday? 【答案】 were doing 【详解】句意：昨天你到家时，你的父母在做什么？根据时间状语“when you got home yesterday”提示，表示过去某一具体时间点正在进行的动作，应用过去进行时。主语your parents为复数，be动词用were，do的现在分词形式是doing。 37．While we ________ (walk) in the park, it began to rain heavily. 【答案】were walking 【详解】句意： 当我们在公园散步时，天开始下大雨。句中“While we ____ (walk)”与主句“it began to rain”形成时间状语从句关系，表示“正在做某事时，另一件事发生了”。while引导的从句中动作正在进行时被主句打断，需用过去进行时（was/were+现在分词）。主语为we，be动词用were，walk的现在分词为walking，故填were walking。 38．She ________ (cook) dinner when her husband came home. 【答案】was cooking 【详解】句意：丈夫回家的时候，她正在做晚饭。根据从句“when her husband came home”可知，came是一般过去时，“回家”是短暂瞬间动作，主句表示当时正在做饭，用过去进行时，结构为was/were+doing。主语She是第三人称单数，be动词用was。故填was cooking。 39．— ________ they ________ (swim) in the pool at that moment? — No, they weren’t. 【答案】 Were swimming 【详解】句意：——他们那时正在泳池里游泳吗？——不，他们没有。句中“at that moment”表示过去某一时刻，提示用过去进行时，结构为was/were+动词-ing；主语是they，be动词用were，一般疑问句需将were提前，首字母大写；动词swim的现在分词为swimming。故填Were；swimming。 40．What ________ she ________ (write) at 7 p.m. yesterday? 【答案】 was writing 【详解】句意：昨天晚上7点她正在写什么？句中“at 7 p.m. yesterday”表示过去某一具体时刻，提示动作正在发生，应用过去进行时，结构为was/were+动词-ing。主语是she，be动词用was，特殊疑问句中was要提前；动词write的现在分词为writing。故填was；writing。 三、完成句子(每小题2分，共20分) 41．Su Yang watches Animal World every day. （用 at 9:00 p. m. last Sunday 改写句子) Su Yang ________ ________ Animal World at 9: 00 p.m. last Sunday. 【答案】 was watching 【详解】句意：苏阳每天都看《动物世界》。时间状语“at 9:00 p.m. last Sunday”表示过去某一具体时刻，强调动作在当时正在进行，因此句子需用过去进行时，过去进行时的基本结构为“was/were + 动词现在分词 (doing)”，主语Su Yang是第三人称单数，be动词应选用was；动词watch的现在分词形式为watching。 42．People were sleeping. The earthquake happened. (合并为一句) People were sleeping ________ the earthquake ________. 【答案】 when happened 【详解】句意：地震发生时，人们正在睡觉。“人们在睡觉”是过去进行时，表示过去某个时间正在进行的动作，“地震发生”是一般过去时，表示过去某个时间点发生的动作。合并为一句，可以使用“be doing…when…（……发生时，……正在做某事）”结构，其中when引导时间状语从句。故填when；happened。 43．We were taking photos when it began to rain. (改为一般疑问句) ________ ________ ________ photos when it began to rain? 【答案】 Were you taking 【详解】句意：开始下雨时，我们正在拍照。原句“We were taking photos…”是过去进行时，结构为was/were + doing；含有be动词的句子变一般疑问句时，将be动词提到句首，原句中的be动词是were；第一人称“We”通常要变为第二人称you；按照一般疑问句的结构组成句子：Were + you + taking +其他成分。 44．The Kings were taking a walk at that time. (改为否定句) The Kings ________ ________ a walk at that time. 【答案】 weren’t taking 【详解】句意：金一家人那个时候正在散步。句子为过去进行时，改为否定句需在be动词were后加not，were not缩写为weren’t，现在分词保持不变。 45．He was walking home. It began to snow.（用when合并句子） He ________ ________ home ________ it began to snow. 【答案】 was walking when 【详解】句意：他正走路回家，突然天开始下雪了。用when连接两个句子时，表示一个动作（下雪）发生在另一个动作（步行回家）进行的过程中，主句用过去进行时（was walking）表示背景动作，从句用一般过去时（began）表示突然发生的动作。合并为He was walking home when it began to snow.，故填was；walking；when。 46．My mother was washing clothes at five o’clock yesterday afternoon.(对画线部分提问) ________ ________ your mother________ at five o’clock yesterday afternoon? 【答案】 What was doing 【详解】句意：我妈妈昨天下午五点正在洗衣服。画线部分为“was washing clothes”，这是提问过去正在进行的动作，用疑问词what 来提问。原句是过去进行时，变疑问句时，将was提到主语your mother之前，划线部分用doing代替。 47．They were having an English class at this time yesterday. (改为否定句) They ________ ________ having an English class at this time yesterday. 【答案】 were not 【详解】句意：昨天这个时候他们正在上英语课。 原句为过去进行时（were having），变否定句时，直接在be动词were后加not即可，结构为“主语+were not+现在分词+其他”。 48．While my mother was cooking, my father was watching TV. (用when改写句子) My father was watching TV ________ my mother ________ cooking. 【答案】 when was 【详解】句意：我妈妈做饭的时候，我爸爸在看电视。原句由“While”引导时间状语从句，表示两个长动作在过去同时进行。改写为“when”引导的从句时，虽然“when”常引导短暂性动作，但它也可以引导持续性动作或状态，此时可与“while”互换。原句中“my mother was cooking”是过去进行时，改写后从句时态保持不变，主语“my mother”是单数，所以be动词用“was”。 49．While I was doing my homework, my brother was playing computer games. (用when改写句子) I ________ ________ my homework ________ my brother was playing computer games. 【答案】 was doing when 【详解】句意：当我做作业的时候，我弟弟在玩电脑游戏。改写后，后面的句子变为时间状语从句，用连词when引导，前面的句子变为主句，两句时态不变。 50．I was reading. My mother was cooking.（用while合并） ________ I ________ ________, my mother ________ ________. 【答案】 While was reading was cooking 【详解】句意：我在看书，我妈妈在做饭。while引导时间状语从句，表示两个动作同时进行，从句用过去进行时，结构为was/were + 现在分词。因此①填While，②填was，③填reading，④填was，⑤填cooking。 学科网（北京）股份有限公司 $