Unit 7 Space exploration 单元语法（过去进行时）-2025-2026学年八年级英语下学期单元重难点易错题精练（新教材沪教版）

Unit 7 Space exploration 过去进行时 （时间：40分钟，满分：100分） 过去进行时 构成 was/were+ doing 含义 表示过去某一时刻或某一时间段正在进行的动作 标志词 at that time, at this time yesterday, at 8:00 yesterday morning, all night 及when/while 用 法 区 别 When ①既指时间点，也可指时间段；后可接终止性动词，也可接延续性动词 ②从句的动作和主句的动作可以是同时，也可以是先后发生 ③when 后一般接过去式：When the teacher came in, we were talking. ④表“突然”：I was having my dinner when there was a sudden knock at the door. While ①后接延续性动词 ②从句的动作和主句的动作是同时发生 ③while 后一般接进行时：While we were talking, the teacher came in. ④表“然而”：Mother was cooking ,while father was watching TV . 一、单项选择(本大题共20小题，每小题2分，共40分) 1．—What ______ you ______ at 7:00 last night? —I was watching TV. A．do; do B．are; doing C．were; doing D．did; do 【答案】C 【详解】句意：——昨晚7点你在做什么？——我在看电视。 考查过去进行时。根据回答“I was watching TV.”可知，问句询问过去某个具体时间点正在进行的动作，应使用过去进行时。其疑问句结构为“What+was/were+主语+doing?”，主语“you”对应“were”，故需用“were; doing”。故选C。 2．—I met Jack when I passed by the garden. —Yes, he _______ some flowers with the help of his mother. A．planted B．is planting C．was planting D．will plant 【答案】C 【详解】句意：——我路过花园的时候遇见了杰克。——是的，他当时正在妈妈的帮助下种花。 考查动词的时态。planted种植，一般过去时；is planting正在种植，现在进行时；was planting正在种植，过去进行时；will plant将要种植，一般将来时。根据“I met Jack when I passed by the garden”可推知，“遇见杰克”是过去的动作，同时“种花”这个动作正在进行，所以用过去进行时“was planting”。故选C。 3．—What do you think of the colour of my bedroom? —Sorry, but what did you say? I ________ about something else. A．think B．thought C．am thinking D．was thinking 【答案】D 【详解】句意：——你觉得我卧室的颜色怎么样？——对不起，你说什么？我刚才在想别的事情。 考查动词时态。think想，一般现在时；thought想，一般过去时；am thinking想，现在进行时；was thinking想，过去进行时。根据“Sorry, but what did you say?”可知，说话者没有听清对方的话，原因是在对方说话的那一刻，说话者“正在思考”别的事情。此处表示过去某个时刻正在进行的动作，应用过去进行时，结构为“was/were doing”。主语是I，be动词用was。故选D。 4．I ________ down to London when I suddenly found that I was on the wrong road. A．drove B．have driven C．would drive D．was driving 【答案】D 【详解】句意：我正开车去伦敦时，突然发现我走错路了。 考查时态辨析。drove一般过去时；have driven现在完成时；would drive过去将来时；was driving过去进行时。根据“when I suddenly found”这一突然发生的过去动作，主句需表示当时正在进行的动作，应用过去进行时。故选D。 5．—Jack, I called you yesterday afternoon, but no one answered. —Oh, I ________ the film Nobody with my friends at that time. A．was watching B．will watch C．watched D．watch 【答案】A 【详解】句意：——杰克，我昨天下午给你打电话了，但没人接。——哦，那时我正和我的朋友们看《浪浪山小妖怪》这部电影。 考查过去进行时。根据“I called you yesterday afternoon, but no one answered”以及“at that time”可知，此处强调昨天下午打电话时正在进行的动作，应用过去进行时。故选A。 6．The students ________ English songs when the teacher came into the classroom. A．sing B．sang C．are singing D．were singing 【答案】D 【详解】句意：当老师走进教室时，学生们正在唱英文歌。 考查时态辨析。根据从句“when the teacher came into the classroom”可知，主句应表示学生们正在进行的动作，需用过去进行时（was/were doing）。主语“The students”为复数，故用were singing。故选D。 7．—You look so tired. —Yes, I ________ a report from 7 p.m. to 10 p.m. last night. A．write B．was writing C．am writing 【答案】B 【详解】句意：——你看起来很累。——是的，我昨晚从7点到10点一直在写报告。 考查动词时态。根据时间状语“from 7 p.m. to 10 p.m. last night”可知，动作发生在过去某一具体时间段，强调在过去某段时间内正在进行的动作，应用过去进行时。故选B。 8．—Mom, what a mess it is on my desk! What happened? —Sorry, I don’t know. I ________ in the kitchen then. A．was cooking B．am cooking C．will cook 【答案】A 【详解】句意：——妈妈，我的书桌上一团糟！发生了什么事？——对不起，我不知道。我当时正在厨房里做饭。 考查过去进行时。was cooking过去进行时；am cooking现在进行时；will cook一般将来时。根据答语中的关键词“then”（那时）可知，动作发生在过去某个具体时间点，表示过去正在进行的动作，因此需用过去进行时（was/were + doing）。故选A。 9．My father ________ a meeting when he heard the news of the typhoon. A．is having B．had C．was having 【答案】C 【详解】句意：我父亲听到台风消息时正在开会。 考查动词时态。“when he heard the news of the typhoon”表示当听到台风消息这个时间点，在这个时间点上父亲正在进行的动作是“开会”，强调过去某个时刻正在进行的动作要用过去进行时，其结构是“was/were + 动词的现在分词”，主语“My father”是第三人称单数，所以用“was having”。故选C。 10．The little girl ________ a story book when the ground shook very hard. A．is reading B．read C．was reading D．reads 【答案】C 【详解】句意：当地面剧烈摇晃时，这个小女孩正在读一本故事书。 考查过去进行时。is reading正在读，现在进行时；read读，一般过去时或动词原形；was reading正在读，过去进行时；reads读，一般现在时第三人称单数。根据从句“when the ground shook very hard”（当地面剧烈摇晃时）可知，“摇晃”是一般过去时，主句动作“读”在“摇晃”发生时正在进行，需用过去进行时。故选C。 11．The boy ________ in the yard when his mother came back home. A．is playing B．was playing C．played 【答案】B 【详解】句意：当他妈妈回来的时候，小男孩正在院子里玩。 考查过去进行时。is playing现在进行时；was playing过去进行时；played过去式。根据“...when his mother came back home”可知从句的时态是一般过去时，因此主句应该用过去进行时，结构为was/were+doing。故选B。 12．—I saw Lucas in the park this morning. — Yes, he ________ with his parents. A．walks a pet dog B．is walking a pet dog C．was walking a pet dog 【答案】C 【详解】句意：——我今天早上在公园看到卢卡斯了。——是的，他当时正和他父母在遛一只宠物狗。 考查动词时态。根据“I saw Lucas in the park this morning.”可知，卢卡斯在公园是过去时。由“he...with his parents”可知，他那时正在和他父母在遛一只宠物狗，用过去进行时。故选C。 13．The wind ________ hard outside when the old man got up and closed the windows. A．blows B．was blowing C．is blowing D．will blow 【答案】B 【详解】句意：当老人站起来关上窗户时，外面风刮得很大。 考查动词时态。blows刮，动词单三；was blowing过去进行时；is blowing现在进行时；will blow一般将来时。根据“got up and closed”可知，此句为一般过去时态。结合句意可知，空处表示老人起来关窗的时候，外面正刮大风。表示过去正在进行的动作，用过去进行时态。故选B。 14．—I called you last night but nobody answered. —Oh, maybe I ________ a bath at that time. A．am taking B．take C．was taking D．will take 【答案】C 【详解】句意：——我昨晚给你打电话，但没人接。——哦，可能那时我正在洗澡。 考查动词的时态。根据“I called you last night but nobody answered.”和“at that time”可知，打电话的时候自己正在洗澡，应用过去进行时，结构为was/were doing，主语为I，be动词用was。故选C。 15．—Why didn’t you come to cheer us on last night? —I ________ a kite for my brother. A．will make B．am making C．was making 【答案】C 【详解】句意：——你昨晚为什么没来给我们加油？——我在给我弟弟做风筝。 考查动词时态。根据“Why didn’t you come to cheer us on last night?”可知，问的是昨晚上的事情，应用过去的时态，C选项是过去进行时，符合题意。故选C。 16．I saw Kelly and David in the library this morning. They ________ with their classmates then. A．read B．were reading C．are reading 【答案】B 【详解】句意：今天早上我在图书馆看到凯利和大卫。 那时他们正在和同学们一起读书。 考查动词时态。根据“I saw Kelly and David in the library this morning.”及“then”可知，此处指“早上看见他们的时候，他们正在做某事”，所以时态为过去进行时，谓语动词构成是was/were+现在分词，主语是They，be动词用were。故选B。 17．—I rang you last night, but you didn’t answer it. —Oh! I ________ a bath at that time. A．take B．took C．was taking D．am taking 【答案】C 【详解】句意：——昨天晚上我给你打电话了，但是你没接。——哦，我那个时候正在洗澡。 考查动词时态。根据时间状语“at that time”可知，应用过去进行时。故选C。 18．—Why didn’t you watch the final of the football match last night, John? —Well, I ________ the history project with my friends at that time. A．discuss B．discussed C．am discussing D．was discussing 【答案】D 【详解】句意：——John，你昨晚为什么不看足球的决赛呢？——哦，当时我正在和我的朋友们讨论这个历史课题。 考查时态。discuss讨论，是动词原形；discussed是过去式和过去分词；am discussing是现在进行时；was discussing是过去进行时。根据前句句意和时间状语at that time可知，后句表述在过去某一时刻正在发生的事情，要用过去进行时。故选D。 19．I saw Bob in the garden. He ________ flowers there. A．waters B．watered C．was watering 【答案】C 【详解】句意：我看见鲍勃在花园里。他当时正在那儿浇花。 考查动词的时态。根据“I saw Bob in the garden. He…flowers there.”可知，当看见鲍勃时，他正在浇花，故此处是过去进行时was/were doing，主语为He，用 was watering。故选C。 20．—Mr. Hang ________ some students with their lessons when I left school. —He is really a good teacher. A．help B．was helping C．helped 【答案】B 【详解】句意：——我离开学校时，杭先生正在帮一些学生上课。——他真是个好老师。 考查时态。根据“when I left school”可知，主句表达的是过去正在进行的动作，用过去进行时，故选B。 二、单词拼写(本大题共10小题，每小题2分，共20分) 21．We were reading our textbook when the teacher (come). 【答案】came 【详解】句意：我们正在读课本，这时老师走了进来。根据提示可知，主句“We were reading our textbook”用了过去进行时，表示过去某个时刻正在进行的动作；when引导的从句表示这个动作进行过程中突然发生的另一个动作，这类短暂动作通常用一般过去时，动词come的过去式是came。故填came。 22．While I (take) a shower, my friend called. 【答案】was taking 【详解】句意：我正在洗澡的时候，我的朋友打来了电话。while引导时间状语从句，根据“called”可知，主句用一般过去时，从句要用过去进行时，结构为“was/were + 现在分词”，主语为I，be动词用was，take的现在分词是taking。故填was taking。 23．We (make) our way to the top of the mountain when it began to rain. 【答案】were making 【详解】句意：当开始下雨的时候，我们正在向山顶行进。make“做；行进”，动词；be doing sth when...是固定句型，意为“正在做某事，这时……”，从句时态为一般过去时，主句要用过去进行时，主语we是复数，be动词用were，所以用were making。故填were making。 24．When I on the street (walk), I saw a drone over my head (fly). 【答案】 was walking flying 【详解】句意：当我走在街上时，我看到一架无人机从我头顶飞过。根据saw可知，是描述的过去事件，when引导的时间状语从句，表示一个动作发生时，另一个动作正在进行，第一空用过去进行时，结构为was/were doing，I作主语，be动词用was，see后面加宾语时，用现在分词，表示动作正在进行，fly的现在分词为flying。故填was walking；flying。 25．My brother (watch) TV while my father (read) a book at that time. 【答案】 was watching was reading 【详解】句意：那时，我弟弟在看电视而我爸爸在看书。根据“at that time”可知，句子表达的是过去某个时间点两个动作的同时进行，用过去进行时“was/were doing”。主语“my brother”和“my father”都是第三人称单数，谓语分别用was watching和was reading。故填was watching；was reading。 26．—Where did you see Tom? —I saw him while he (help) a blind man cross the road. 【答案】was helping 【详解】句意：——你在哪里看到汤姆的？——我看见他在帮助一个盲人过马路。根据句意可知，此处表示过去正在进行的动作，因此时态应用过去进行时，其结构为was/were+动词的现在分词。主语是he，be动词用was。故填was helping。 27．I (run) with my friend at 5:30 yesterday afternoon. 【答案】was running 【详解】句意：昨天下午五点半我和朋友正在跑步。根据“at 5:30 yesterday afternoon”可知，本句时态为过去进行时“was/were doing”结构，主语为I，be动词用was，run的现在分词为running。故填was running。 28．While we (wait) for the bus, a girl ran up to us. 【答案】were waiting 【详解】句意：当我们等公共汽车时，一个女孩向我们跑来。根据“While we...for the bus, a girl ran up to us”可知当时我们正在等公交车，从句用过去进行时，主语是we，be动词用were。故填were waiting。 29．Tom and his parents (have) supper when the phone rang. 【答案】were having 【详解】句意：汤姆和他的父母正在吃晚饭，这时电话铃响了。此处是含when引导的时间状语从句的复合句，从句动作发生时，主句动作正在进行。从句是一般过去时，主句应为过去进行时，结构是was/were doing。主语是复数，be动词用were。故填were having。 30．The two boys (read) books in the library at this time yesterday. 【答案】were reading 【详解】句意：昨天这个时候，这两个男孩正在图书馆看书。根据时间状语“at this time yesterday”可知，句子的时态是过去进行时，谓语动词构成是was/were doing，主语是“The two boys”，因此be动词用were，read用现在分词形式。故填were reading。 三、完成句子(本大题共10小题，每小题4分，共40分) 31．台风来临时，我们一家人正在做家务。 When the typhoon came, my family . 【答案】 were doing chores 【详解】此处缺少“正在做家务”，其英文表达为“be doing chores”；根据“When the typhoon came”可知，此处表示过去某一时刻正在发生的动作，使用过去进行时，主语“my family”在此处表示家庭成员，为复数概念，be动词用were。故填were；doing；chores。 32．布朗先生上课时，杰克正忙着记笔记。 Jack was busy taking notes Mr. Brown a lesson. 【答案】 when/while was giving 【详解】根据语境可知时态为过去进行时。中文“布朗先生上课时”对应英文时间状语从句，需用连词“when/while”连接主句“Jack was busy taking notes”。因此第一个空需填when/while。中文“布朗先生上课”是过去进行时，对应英文“Mr. Brown was giving a lesson”，强调杰克记笔记时布朗先生正在授课。因此第二个空和第三个空需填入was giving。故填when/while；was；giving。 33．她在公园散步时，听到一位女孩在唱歌。 she in the park, she heard a girl singing. 【答案】 While/When/As was walking 【详解】根据中英文提示可知，空格处表示“当在散步时”；“在公园散步时”强调两个动作，散步和听到唱歌，且这两个动词同时发生，可以用while/when/as引导时间状语从句；根据“heard”可知，从句用过去进行时“was/were+现在分词”表示过去正在发生的动作，主语she为第三人称单数，be动词用was。句首首字母大写，故填While/When/As；was；walking。 34．地震发生的时候他们在做什么？ What when the earthquake happened? 【答案】 were they doing 【详解】根据中英文对照可知，空处缺少了“他们正在做什么”，英文表达为be doing，主语they“他们”，过去某个时间正在发生的事情，时态用过去进行时，be动词用were，放在主语they前面。故填were；they；doing。 35．野火袭来时，他正在就当地村民的日常生活进行采访。 When the wildfire hit, he the local villagers about their daily life. 【答案】 was interviewing 【详解】根据中英文对照可知，此处缺“正在采访”，句子用过去进行时，结构为“was/were+现在分词”，主语是he，be动词用was，“采访”的现在分词形式为interviewing。故填was；interviewing。 36．我今天下午回家时，我爸爸正在浏览一则广告。 My dad an advertisement when I got home. 【答案】 was looking through 【详解】look through“浏览”，动词短语；根据“when I got home”可知，主句描述过去某个时刻正在做的事情，应用过去进行时，其结构为“was/were doing”；主语是My dad，助动词用was。故填was；looking；through。 37．我今天下午回家时，我爸爸正在浏览一则广告。 My dad through an advertisement when I got home. 【答案】 was looking 【详解】根据中英文对照可知，空处缺少“正在浏览”，“浏览”的英文表达为look through，根据句子语境可知，本句时态为过去进行时，主语My dad是单数第三人称，be动词用was，look的现在分词形式是looking，句中through已给出，故填was；looking。 38．我打电话给她时，她正在等另外一个人的电话。 When I called her, she another phone. 【答案】 was waiting for 【详解】对比中英文可知，空处缺少“正在等”；根据英文题干和汉语提示可知，此处考查wait for“等待”，动词短语；又根据“When I called her”可知，句子描述的是过去某个时间点正在发生的动作，时态应用过去进行时，其结构为was/were doing；主语为“she”，be动词应用was，动词wait的现在分词为waiting。故填was；waiting；for。 39．当听到这个消息时，她正在吃晚饭。 When she heard the news, she dinner. 【答案】 was eating/having 【详解】空处缺少“正在吃”的表达，结合“When she heard the news”可知，空处时态用过去进行时（was、were doing），主语是she，be动词用was；“吃饭”eat/have dinner，故填was；eating/having。 40．我正在和朋友们谈论这次学校旅行。 I was the school trip my friends. 【答案】 talking about with 【详解】根据中英文对比可知，“谈论”可表达为“talk about”，“和某人谈论某事”用“talk about sth. with sb.”。“was”表明句子是过去进行时，“talk”要用现在分词形式“talking”。故填talking；about；with。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ Unit 7 Space exploration 过去进行时 （时间：40分钟，满分：100分） 过去进行时 构成 was/were+ doing 含义 表示过去某一时刻或某一时间段正在进行的动作 标志词 at that time, at this time yesterday, at 8:00 yesterday morning, all night 及when/while 用 法 区 别 When ①既指时间点，也可指时间段；后可接终止性动词，也可接延续性动词 ②从句的动作和主句的动作可以是同时，也可以是先后发生 ③when 后一般接过去式：When the teacher came in, we were talking. ④表“突然”：I was having my dinner when there was a sudden knock at the door. While ①后接延续性动词 ②从句的动作和主句的动作是同时发生 ③while 后一般接进行时：While we were talking, the teacher came in. ④表“然而”：Mother was cooking ,while father was watching TV . 一、单项选择(本大题共20小题，每小题2分，共40分) 1．—What ______ you ______ at 7:00 last night? —I was watching TV. A．do; do B．are; doing C．were; doing D．did; do 2．—I met Jack when I passed by the garden. —Yes, he _______ some flowers with the help of his mother. A．planted B．is planting C．was planting D．will plant 3．—What do you think of the colour of my bedroom? —Sorry, but what did you say? I ________ about something else. A．think B．thought C．am thinking D．was thinking 4．I ________ down to London when I suddenly found that I was on the wrong road. A．drove B．have driven C．would drive D．was driving 5．—Jack, I called you yesterday afternoon, but no one answered. —Oh, I ________ the film Nobody with my friends at that time. A．was watching B．will watch C．watched D．watch 6．The students ________ English songs when the teacher came into the classroom. A．sing B．sang C．are singing D．were singing 7．—You look so tired. —Yes, I ________ a report from 7 p.m. to 10 p.m. last night. A．write B．was writing C．am writing 8．—Mom, what a mess it is on my desk! What happened? —Sorry, I don’t know. I ________ in the kitchen then. A．was cooking B．am cooking C．will cook 9．My father ________ a meeting when he heard the news of the typhoon. A．is having B．had C．was having 10．The little girl ________ a story book when the ground shook very hard. A．is reading B．read C．was reading D．reads 11．The boy ________ in the yard when his mother came back home. A．is playing B．was playing C．played 12．—I saw Lucas in the park this morning. — Yes, he ________ with his parents. A．walks a pet dog B．is walking a pet dog C．was walking a pet dog 13．The wind ________ hard outside when the old man got up and closed the windows. A．blows B．was blowing C．is blowing D．will blow 14．—I called you last night but nobody answered. —Oh, maybe I ________ a bath at that time. A．am taking B．take C．was taking D．will take 15．—Why didn’t you come to cheer us on last night? —I ________ a kite for my brother. A．will make B．am making C．was making 16．I saw Kelly and David in the library this morning. They ________ with their classmates then. A．read B．were reading C．are reading 17．—I rang you last night, but you didn’t answer it. —Oh! I ________ a bath at that time. A．take B．took C．was taking D．am taking 18．—Why didn’t you watch the final of the football match last night, John? —Well, I ________ the history project with my friends at that time. A．discuss B．discussed C．am discussing D．was discussing 19．I saw Bob in the garden. He ________ flowers there. A．waters B．watered C．was watering 20．—Mr. Hang ________ some students with their lessons when I left school. —He is really a good teacher. A．help B．was helping C．helped 二、单词拼写(本大题共10小题，每小题2分，共20分) 21．We were reading our textbook when the teacher (come). 22．While I (take) a shower, my friend called. 23．We (make) our way to the top of the mountain when it began to rain. 24．When I on the street (walk), I saw a drone over my head (fly). 25．My brother (watch) TV while my father (read) a book at that time. 26．—Where did you see Tom? —I saw him while he (help) a blind man cross the road. 27．I (run) with my friend at 5:30 yesterday afternoon. 28．While we (wait) for the bus, a girl ran up to us. 29．Tom and his parents (have) supper when the phone rang. 30．The two boys (read) books in the library at this time yesterday. 三、完成句子(本大题共10小题，每小题4分，共40分) 31．台风来临时，我们一家人正在做家务。 When the typhoon came, my family . 32．布朗先生上课时，杰克正忙着记笔记。 Jack was busy taking notes Mr. Brown a lesson. 33．她在公园散步时，听到一位女孩在唱歌。 she in the park, she heard a girl singing. 34．地震发生的时候他们在做什么？ What when the earthquake happened? 35．野火袭来时，他正在就当地村民的日常生活进行采访。 When the wildfire hit, he the local villagers about their daily life. 36．我今天下午回家时，我爸爸正在浏览一则广告。 My dad an advertisement when I got home. 37．我今天下午回家时，我爸爸正在浏览一则广告。 My dad through an advertisement when I got home. 38．我打电话给她时，她正在等另外一个人的电话。 When I called her, she another phone. 39．当听到这个消息时，她正在吃晚饭。 When she heard the news, she dinner. 40．我正在和朋友们谈论这次学校旅行。 I was the school trip my friends. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $