Unit 6 When disaster strikes过去进行时（核心语法精练）英语新教材外研版八年级上册

**基本信息** 以过去进行时为核心，通过“概念回顾-基础应用-语篇综合”三级训练体系，结合灾难主题语境，系统提升语法理解与表达能力，培养语言运用及逻辑思维品质。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |知识回顾|1思维导图|可视化呈现语法结构|从概念（构成/标志词）到用法（when/while搭配）的逻辑推导| |考点夯基|填空10/单选10/完成句子10/句型转换5|单句语境语法应用|由词形变化到句式转换，层层递进巩固基础用法| |综合提升|语法选择10/语法填空10/短文改错10处|语篇语境语法综合运用|从单句到语篇，实现语法知识在真实情境中的迁移应用|

Unit 6 When disaster strikes 核心语法精练 （过去进行时） 知识回顾 考点夯基 综合提升 过去进行时 语法思维导图 一、用所给单词的适当形式填空。 1. A group of hikers ________ (walk) through the hills when a sudden rock‑fall happened. 2. She ________ (not read) the safety guide at 8:00 p.m. yesterday; she was preparing emergency bags. 3. While the rescue dogs ________ (search) for survivors, rain kept falling down. 4. —What ________ they ________ (do) at the moment when the warning bell rang? —They were checking the community shelter. 5. My uncle ________ (drive) home when he heard the special disaster radio notice. 6. While the volunteers ________ (hand) out water and food, more hurt people arrived. 7. The little boy ________ (hide) under the desk when the house began to shake. 8. ________ the firemen ________ (work) when the second small shock came? 9. As the wind ________ (grow) stronger, local residents were leaving their houses. 10. Some reporters ________ (take) photos while rescuers were moving broken stones away. 二、单项选择。 ( )1. He ______ to the community shelter when the heavy flood arrived. A. ran B. was running C. runs D. is running ( )2. ______ fire‑fighters were putting out the fire, other workers were moving people to safety. A. While B. If C. So D. Because ( )3. —Was your cousin practising safety skills when the drill started? —______. He was watching the safety video. A. Yes, he was B. No, he wasn’t C. Yes, he did D. No, he didn’t ( )4. Nobody noticed the risk, because all the villagers ______ happily at the village party. A. celebrate B. celebrated C. were celebrating D. are celebrating ( )5. When the loud alarm ______, most students were staying inside the classroom. A. went off B. goes off C. was going off D. is going off ( )6. Some birds flew away quickly while the ground ______. A. shake B. shook C. was shaking D. is shaking ( )7. I ______ the window when pieces of broken glass fell down. A. cleaned B. was cleaning C. am cleaning D. clean ( )8. —What were local people doing during the storm? —They ______ for news about road conditions. A. waited B. wait C. were waiting D. are waiting ( )9. As rescuers ______ towards the mountain village, snow started to fall heavily. A. travelled B. were travelling C. travel D. are travelling ( )10. The children ______ games outside when they heard people shout for help. A. played B. play C. were playing D. are playing 三、完成句子。 1. 昨天晚上九点，志愿者们正在整理救援物资。 Volunteers ________ ________ rescue things at nine last night. 2. 当暴雨突然来袭时，游客们正在沿着湖边散步。 Tourists ________ ________ along the lake ________ the heavy rain came suddenly. 3. 正当医护人员照料伤者的时候，又一波洪水涌了过来。 ________ doctors and nurses ________ ________ the hurt people, another flood came. 4. —警报响起时，你的姐姐正在做什么？ —她正在记录受灾家庭的信息。 —What ________ your sister ________ when the alarm went off? —She ________ ________ information of poor families in the disaster. 5. 当救援队伍抵达，许多居民正在等待转移。 Many people ________ ________ to move away when the rescue team arrived. 6. 乌云正在聚集的时候，公园管理员提醒游客尽快离开。 Park workers told visitors to leave as soon as possible ________ black clouds ________ ________. 7. 那时我并没有收听广播，我正在帮邻居加固房屋。 I ________ ________ to the radio at that time. I ________ ________ neighbours make houses safe. 8. 人们正在互相传递饮用水，这时远处传来巨大的响声。 People ________ ________ drinking water to each other ________ a loud noise came from far away. 9. 当消防员扑灭大火，围观群众正在安静地注视现场。 While firefighters were putting out the big fire, other people ________ ________ the scene quietly. 10. 地震发生那一刻，工人们正在检查大楼安全。 Workers ________ ________ the building’s safety ________ the earthquake happened. 四、句型转换。 1. They were staying in a safe shelter at that moment.（改为否定句） They ________ ________ in the safe shelter at that moment. 2. Was the reporter interviewing survivors when the car passed by?（做否定回答） No, ________ ________. 3. The doctors were giving first‑aid help when more hurt people arrived.（对划线部分提问） ________ ________ the doctors ________ when more hurt people arrived? 4. She was taking photos. A strong wind hit her.（用when合并为复合句） She ________ ________ photos ________ a strong wind hit her. 5. While we were discussing the safety plan, the telephone rang.（改写同义句，用when替换while） The telephone rang ________ ________ ________ discussing the safety plan. 一、语法选择。 Last spring, a heavy storm hit a small mountain village 1. ________the morning, most villagers were still asleep. Some farm animals 2. ________ nervously in the yard when the first strong gust of wind 3. ________. A few young men 4. ________ outside their houses while the rain 5. ________ harder and harder. A local teacher 6. ________ around the village while she 7. ________ warnings door‑to‑door. Just then, trees began to fall down. Some kids 8. ________ because they felt very afraid. People 9. ________ toward the village shelter quickly when they 10. ______ the teacher’s loud shouts. ( )1. A. In B. On C. At D. For ( )2. A. run B. ran C. were running D. are running ( )3. A. came B. come C. were coming D. are coming ( )4. A. stand B. stood C. were standing D. are standing ( )5. A. become B. became C. was becoming D. were becoming ( )6. A. walked B. was walking C. were walking D. walk ( )7. A. give B. gave C. was giving D. were giving ( )8. A. cry B. cried C. were crying D. are crying ( )9. A. move B. moved C. were moving D. are moving ( )10. A. hear B. heard C. were hearing D. are hearing 2、 语法填空：用所给词的适当形式完成短文。 Thousands of years ago, terrible things happened near Mount Vesuvius. One evening, many local people 1. ________ (enjoy) warm evening activities when small shakes 2. ________ (start). Most of them paid little attention. While some citizens 3. ________ (chat) in public squares, the mountain 4. ________ (produce) thick smoke. Servants 5. ________ (carry) dinner for rich families when big hot stones 6. ________ (fall) from the sky. Women 7. ________ (call) their children inside while dark ash 8. ________ (fly) through the air. As people 9. ________ (try) to run away from the town, they saw the whole sky turn grey. Luckily, a small number of people escaped. Later, they told others what they 10. ________ (see) during that terrible night. 三、短文改错。要求：文中共有 10 处语言错误，每句最多 2 处，每处错误仅涉及一个单词的增加、删除或修改。 增加：在缺词处加∧，并在其下方写出该词； 删除：把多余的词用斜线 \\ 划掉； 修改：在错词下画横线，并在横线下方写出正确单词。 Last month, a big wildfire broke out in the nearby mountain area. I camp with my classmates on a school trip when thick black smoke suddenly appeared over the tall green trees. Our teacher talk to us patiently while the wind grow stronger and stronger around us. Some small birds fly away in fear when the fire move closer towards our camp site. While we wait for outside help, we kept calm instead of shouting or running everywhere. Some of us collected dry branches and stones when our teacher were calling the local fire station for support. We were sit quietly under a huge rock when a rescue helicopter arrive above our heads. We felt very thankful to all the rescuers because we stay safe in the end. 1 / 12 学科网（北京）股份有限公司 $ Unit 6 When disaster strikes 核心语法精练 （过去进行时） 参考答案 知识回顾 考点夯基 综合提升 过去进行时 语法思维导图 一、用所给单词的适当形式填空。 【参考答案】 1. were walking 2. wasn’t reading 3. were searching 4. were; doing 5. was driving 6. were handing 7. was hiding 8. Were; working 9. was growing 10. were taking 二、单项选择。 【参考答案】 1.B 2.A 3.B 4.C 5.A 6.C 7.B 8.C 9.B 10.C 三、完成句子。 【参考答案】 1. were organizing 2. were walking; when 3. While; were treating 4. was; doing; was recording 5. were waiting 6. while; were gathering 7. wasn’t listening; was helping 8. were passing; when 9. were watching 10. were checking; when 四、句型转换。 【参考答案】 1. weren’t staying 2. she/he wasn’t 3. What were; doing 4. was taking; when 5. when we were 一、语法选择。 【参考答案】 1.A 2.C 3.A 4.C 5.C 6.B 7.C 8.C 9.C 10.B 2、 语法填空：用所给词的适当形式完成短文。 【参考答案】 1. were enjoying 2. started 3. were chatting 4. was producing 5. were carrying 6. fell 7. were calling 8. was flying 9. were trying 10. saw 三、短文改错。要求：文中共有 10 处语言错误，每句最多 2 处，每处错误仅涉及一个单词的增加、删除或修改。 【参考答案】 1.I camp → I was camping 2.teacher talk → teacher was talking 3.wind grow → wind was growing 4.birds fly → birds were flying 5.fire move → fire was moving 6.we wait → we were waiting 7.were calling → was calling 8.were sit → were sitting 9.helicopter arrive → helicopter arrived 10.we stay → we stayed 1 / 12 学科网（北京）股份有限公司 $ Unit 6 When disaster strikes 核心语法精练 （过去进行时） 答案解析 知识回顾 考点夯基 综合提升 过去进行时 语法思维导图 一、用所给单词的适当形式填空。 1. A group of hikers ________ (walk) through the hills when a sudden rock‑fall happened. 2. She ________ (not read) the safety guide at 8:00 p.m. yesterday; she was preparing emergency bags. 3. While the rescue dogs ________ (search) for survivors, rain kept falling down. 4. —What ________ they ________ (do) at the moment when the warning bell rang? —They were checking the community shelter. 5. My uncle ________ (drive) home when he heard the special disaster radio notice. 6. While the volunteers ________ (hand) out water and food, more hurt people arrived. 7. The little boy ________ (hide) under the desk when the house began to shake. 8. ________ the firemen ________ (work) when the second small shock came? 9. As the wind ________ (grow) stronger, local residents were leaving their houses. 10. Some reporters ________ (take) photos while rescuers were moving broken stones away. 【答案解析】 1. were walking：when引出突发落石，主句描述徒步者当时正在山中行走；hikers为复数，过去进行时用were。 2. wasn’t reading：at 8:00 p.m. yesterday为过去具体时间点，主语she单数，否定形式wasn’t+现在分词。 3. were searching：while引导延续动作，搜救犬当时正在搜寻幸存者；dogs复数，be动词用were。 4. were; doing：when警报铃响起的瞬间，询问当时正在进行的动作；主语they搭配were。 5. was driving：when听到广播通知，主句表示过去正在开车；主语my uncle单数用was。 6. were handing：while引导同步进行的动作，志愿者正在分发物资；volunteers复数用were。 7. was hiding：when房屋开始摇晃，男孩正躲在桌下；主语the little boy单数用was。 8. Were; working：过去进行时一般疑问句，主语firemen复数，be动词were提前。 9. was growing：as伴随状语，描述风力正在不断变大；wind作主语视为单数，用was。 10. were taking：while主从句均为过去进行时，记者正在拍照，reporters复数用were。 二、单项选择。 ( )1. He ______ to the community shelter when the heavy flood arrived. A. ran B. was running C. runs D. is running ( )2. ______ fire‑fighters were putting out the fire, other workers were moving people to safety. A. While B. If C. So D. Because ( )3. —Was your cousin practising safety skills when the drill started? —______. He was watching the safety video. A. Yes, he was B. No, he wasn’t C. Yes, he did D. No, he didn’t ( )4. Nobody noticed the risk, because all the villagers ______ happily at the village party. A. celebrate B. celebrated C. were celebrating D. are celebrating ( )5. When the loud alarm ______, most students were staying inside the classroom. A. went off B. goes off C. was going off D. is going off ( )6. Some birds flew away quickly while the ground ______. A. shake B. shook C. was shaking D. is shaking ( )7. I ______ the window when pieces of broken glass fell down. A. cleaned B. was cleaning C. am cleaning D. clean ( )8. —What were local people doing during the storm? —They ______ for news about road conditions. A. waited B. wait C. were waiting D. are waiting ( )9. As rescuers ______ towards the mountain village, snow started to fall heavily. A. travelled B. were travelling C. travel D. are travelling ( )10. The children ______ games outside when they heard people shout for help. A. played B. play C. were playing D. are playing 【答案解析】 1.B：when洪水到来，主句描述正在向避难所奔跑；过去进行时was running。 2.A：主从句都是过去进行时，两个延续动作同步发生，用while引导。 3.B：was引导一般疑问句，回答用was/wasn’t；根据后句可知没有演练，选否定回答。 4.C：because从句交代当时所有人正在参加乡村聚会，没有察觉危险；villagers复数用were celebrating。 5.A：when时间状语从句，alarm响起是短暂突发动作，用一般过去时went off。 6.C：while后接延续进行动作，地面正在晃动，用was shaking。 7.B：when碎玻璃掉落，我当时正在擦窗户；过去进行时was cleaning。 8.C：问句were doing提示答句使用过去进行时，描述暴风雨期间人们一直在等候路况消息。 9.B：as伴随，救援队伍正在赶往山村的时候下起大雪；过去进行时were travelling。 10.C：when听见呼救，孩子们当时正在户外玩耍；children复数用were playing。 三、完成句子。 1. 昨天晚上九点，志愿者们正在整理救援物资。 Volunteers ________ ________ rescue things at nine last night. 2. 当暴雨突然来袭时，游客们正在沿着湖边散步。 Tourists ________ ________ along the lake ________ the heavy rain came suddenly. 3. 正当医护人员照料伤者的时候，又一波洪水涌了过来。 ________ doctors and nurses ________ ________ the hurt people, another flood came. 4. —警报响起时，你的姐姐正在做什么？ —她正在记录受灾家庭的信息。 —What ________ your sister ________ when the alarm went off? —She ________ ________ information of poor families in the disaster. 5. 当救援队伍抵达，许多居民正在等待转移。 Many people ________ ________ to move away when the rescue team arrived. 6. 乌云正在聚集的时候，公园管理员提醒游客尽快离开。 Park workers told visitors to leave as soon as possible ________ black clouds ________ ________. 7. 那时我并没有收听广播，我正在帮邻居加固房屋。 I ________ ________ to the radio at that time. I ________ ________ neighbours make houses safe. 8. 人们正在互相传递饮用水，这时远处传来巨大的响声。 People ________ ________ drinking water to each other ________ a loud noise came from far away. 9. 当消防员扑灭大火，围观群众正在安静地注视现场。 While firefighters were putting out the big fire, other people ________ ________ the scene quietly. 10. 地震发生那一刻，工人们正在检查大楼安全。 Workers ________ ________ the building’s safety ________ the earthquake happened. 【答案解析】 1. were organizing：at nine last night 过去具体时间点，主语volunteers为复数，使用过去进行时。 2. were walking; when：when引出突然发生的短动作，主句用过去进行时描述当时正在发生的动作。 3. While; were treating：while引导延续性背景动作；主语doctors and nurses是复数，用were treating。 4. was; doing; was recording：when引导突发动作，询问过去正在做的事；主语your sister是单数，be动词用was。 5. were waiting：when后接短暂动作，描述人们当时正在等候撤离；主语many people为复数。 6. while; were gathering：while引导从句，乌云聚集是延续过程；clouds是复数，be动词用were。 7. wasn’t listening; was helping：at that time 过去进行时标志；listen to 为固定搭配。 8. were passing; when：when引出突然传来巨响，主句描述当时正在发生的动作。 9. were watching：while引导同步发生的动作，主语other people为复数，用were watching。 10. were checking; when：when引出地震突发，主句描述当时工人正在做的事。 四、句型转换。 1. They were staying in a safe shelter at that moment.（改为否定句） They ________ ________ in the safe shelter at that moment. 2. Was the reporter interviewing survivors when the car passed by?（做否定回答） No, ________ ________. 3. The doctors were giving first‑aid help when more hurt people arrived.（对划线部分提问） ________ ________ the doctors ________ when more hurt people arrived? 4. She was taking photos. A strong wind hit her.（用when合并为复合句） She ________ ________ photos ________ a strong wind hit her. 5. While we were discussing the safety plan, the telephone rang.（改写同义句，用when替换while） The telephone rang ________ ________ ________ discussing the safety plan. 【答案解析】 1. weren’t staying：过去进行时否定，be动词were后加not缩写weren’t，现在分词不变。 2. she/he wasn’t：was引导一般疑问句，主语the reporter对应代词she/he，否定回答No, she/he wasn’t。 3. What were; doing：对正在执行的动作提问用what，保留过去进行时结构were doing。 4. was taking; when：when合并句子，主句过去进行时，从句一般过去时，表达“正在做某事，突然……”。 5. when we were：when可以接延续性过去进行时，替换while，保持语义不变。 一、语法选择。 Last spring, a heavy storm hit a small mountain village 1. ________the morning, most villagers were still asleep. Some farm animals 2. ________ nervously in the yard when the first strong gust of wind 3. ________. A few young men 4. ________ outside their houses while the rain 5. ________ harder and harder. A local teacher 6. ________ around the village while she 7. ________ warnings door‑to‑door. Just then, trees began to fall down. Some kids 8. ________ because they felt very afraid. People 9. ________ toward the village shelter quickly when they 10. ______ the teacher’s loud shouts. ( )1. A. In B. On C. At D. For ( )2. A. run B. ran C. were running D. are running ( )3. A. came B. come C. were coming D. are coming ( )4. A. stand B. stood C. were standing D. are standing ( )5. A. become B. became C. was becoming D. were becoming ( )6. A. walked B. was walking C. were walking D. walk ( )7. A. give B. gave C. was giving D. were giving ( )8. A. cry B. cried C. were crying D. are crying ( )9. A. move B. moved C. were moving D. are moving ( )10. A. hear B. heard C. were hearing D. are hearing 【答案解析】 1.A：in the morning 在清晨，固定介词搭配。 2.C：when第一阵狂风袭来，农场动物当时正在焦躁跑动；animals复数，过去进行时were running。 3.A：come是短暂性动词，when从句描述突发到来的狂风，用一般过去时came。 4.C：while下雨逐渐变大的时候，几个年轻人正站在屋外；men复数，were standing。 5.C：while从句，描述雨势正在持续变大；rain作主语视为单数，was becoming。 6.B：一位当地老师正在村子四处奔走；主语a local teacher单数，过去进行时was walking。 7.C：while同步伴随动作，她正在挨家挨户传递预警；she单数，was giving。 8.C：树木倒下时孩子们正在害怕大哭；kids复数，were crying。 9.C：when听见呼喊那一刻，人们正朝避难所奔跑；people复数，were moving。 10.B：hear短暂感官动词，when从句用一般过去式heard。 2、 语法填空：用所给词的适当形式完成短文。 Thousands of years ago, terrible things happened near Mount Vesuvius. One evening, many local people 1. ________ (enjoy) warm evening activities when small shakes 2. ________ (start). Most of them paid little attention. While some citizens 3. ________ (chat) in public squares, the mountain 4. ________ (produce) thick smoke. Servants 5. ________ (carry) dinner for rich families when big hot stones 6. ________ (fall) from the sky. Women 7. ________ (call) their children inside while dark ash 8. ________ (fly) through the air. As people 9. ________ (try) to run away from the town, they saw the whole sky turn grey. Luckily, a small number of people escaped. Later, they told others what they 10. ________ (see) during that terrible night. 【答案解析】 1. were enjoying：when轻微震动开始时，当地人正在享受晚间活动；people复数，过去进行时。 2. started：shake发生是短暂动作，when从句用一般过去时started。 3. were chatting：while引导，市民正在广场闲谈；citizens复数were chatting。 4. was producing：火山正在冒出浓烟；the mountain单数，was producing。 5. were carrying：when滚烫石块从天而降，仆人们正在递送晚餐；servants复数were carrying。 6. fell：石块坠落是突发短暂动作，一般过去时fell。 7. were calling：while灰烬漫天飞舞，妇女正呼喊孩子回到屋内；women复数were calling。 8. was flying：while从句延续动作，ash灰烬作集合名词视为单数，was flying。 9. were trying：as伴随，人们当时正努力逃离城镇；people复数were trying。 10. saw：描述那晚亲眼看见的景象，一般过去时saw。 三、短文改错。要求：文中共有 10 处语言错误，每句最多 2 处，每处错误仅涉及一个单词的增加、删除或修改。 增加：在缺词处加∧，并在其下方写出该词； 删除：把多余的词用斜线 \\ 划掉； 修改：在错词下画横线，并在横线下方写出正确单词。 Last month, a big wildfire broke out in the nearby mountain area. I camp with my classmates on a school trip when thick black smoke suddenly appeared over the tall green trees. Our teacher talk to us patiently while the wind grow stronger and stronger around us. Some small birds fly away in fear when the fire move closer towards our camp site. While we wait for outside help, we kept calm instead of shouting or running everywhere. Some of us collected dry branches and stones when our teacher were calling the local fire station for support. We were sit quietly under a huge rock when a rescue helicopter arrive above our heads. We felt very thankful to all the rescuers because we stay safe in the end. 【答案解析】 1.was camping：when浓烟出现，主句表示当时正在露营，用过去进行时。 2.was talking：while风势变大期间，老师正在和我们沟通；teacher单数，was talking。 3.was growing：while从句描述风力正在不断增强，过去进行时。 4.were flying：when火情靠近，鸟儿正在四散飞逃；birds复数were flying。 5.was moving：when从句背景，火势正在不断逼近；fire单数was moving。 6.were waiting：while我们正在等待救援，延续背景动作，过去进行时。 7.was calling：our teacher是单数主语，be动词改为was。 8.sitting：were后面接现在分词sitting构成过去进行时。 9.arrived：helicopter到达为过去突发动作，一般过去时arrived。 10.stayed：描述最后脱险的过往事实，一般过去时stayed。 1 / 12 学科网（北京）股份有限公司 $