Unit 4 Back in time（易错题专项练习·语法提升）英语外研版三起五年级下册（新教材）

Unit 4 Back in time 专题02 语法提升·易错题专项训练 高频易错点03 一般过去时的一般疑问句及回答（含否定句） 高频易错点02 一般过去时的肯定句（be动词/实义动词） 高频易错点01 一般过去时的特殊疑问句 高频易错点、易错点提示、小练笔、答题点拨 易错精讲 一般过去时的特殊疑问句（what/why/how/when 引导）高频易错点01 询问过去发生的动作、状态、时间、方式、原因等，是一般过去时的核心交际句型，核心分为两类结构，答语需严格使用一般过去时对应作答。 1. 对动作提问：特殊疑问词 + did + 主语 + 动词原形 + 其他？（适配what/where/how/when等疑问词） 核心规则：助动词did无单复数变化，后必须接动词原形，不可接过去式 2. 对状态提问：特殊疑问词 + was/were + 主语 + 其他？（适配what/why/how等疑问词） 核心规则：主语为单数/不可数名词用was，复数主语用were，无需加助动词did 易错点提示 第一步：锁定疑问词——根据答语核心信息，匹配对应的疑问词（问动作/事物用what，问时间用when，问方式用how，问原因用why） 第二步：判断句型结构——对动作提问加助动词did，对状态提问用was/were，不可混用 第三步：规范动词形式——did后必须接动词原形，答语中实义动词用过去式，be动词用was/were 小练笔 一、单项选择题 ( )1. —_______ did people keep food fresh in the old days? —They put food in the underground ice cellars. 第 1 页 共 14 页 学科网（北京）股份有限公司 A. What B. When C. How D. Why ( )2. —_______ did you visit the history museum? —Last summer holiday. A. What B. When C. Where D. How ( )3. —_______ did the ancient people leave in the cave? —They left many paintings and tools. A. What B. Why C. When D. How ( )4. —_______ was the village an important business spot many years ago? —Because it was near the river. A. What B. How C. Why D. When ( )5. —_______ was the life in the village hundreds of years ago? —It was very hard and simple. A. What B. How C. Where D. Why 二、语法填空题 1.—_______ (do) the writer write this book about ancient history? —He wrote it 3 years ago. 2.—_______ did people send messages before phones were invented? —They sent letters by post horses. 3.—_______ (be) the old castle built 500 years ago? —Yes, it was. 4.—_______ did the girl see in the museum yesterday? —She saw many ancient pots and bowls. 5.—_______ did the workers repair the old bridge last year? —Because it was not safe for people to walk on. 点拨 一、单项选择题 1. C 解析：答语“They put food in the underground ice cellars”（他们把食物放在地下冰窖里）是在说明“保存食物的方式”，询问“方式”用疑问词How，故选C。 2. B 解析：答语“Last summer holiday”（去年暑假）是具体的时间，询问“时间”用疑问词When，故选B。 3. A 解析：答语“They left many paintings and tools”（他们留下了许多画作和工具）是“留下的东西”，询问“什么事物”用疑问词What，故选A。 4. C 解析：答语“Because it was near the river”（因为它靠近河流）是说明原因，询问“原因”用疑问词Why，故选C。 5. B 解析：答语“It was very hard and simple”（它非常艰苦且简单）是在描述“生活的状态”，询问“……怎么样”用疑问词How，故选B。 二、语法填空题 1. When did 解析：答语“He wrote it 3 years ago”（他3年前写的）是过去的时间，询问“过去某个动作发生的时间”，用When引导，谓语动词write是实义动词，过去时需加助动词did，故填When did。 2. How 解析：答语“They sent letters by post horses”（他们通过驿马送信）是说明“送信的方式”，询问方式用疑问词How，故填How。 3. Was 解析：答语“Yes, it was”是一般过去时的肯定回答，问句需用一般过去时的一般疑问句，主语the old castle是单数，be动词用Was，且句首首字母大写，故填Was。 4. What 解析：答语“She saw many ancient pots and bowls”（她看到了许多古代的陶罐和碗）是“看到的事物”，询问“看到什么”用疑问词What，故填What。 5. Why 解析：答语“Because it was not safe for people to walk on”（因为它对人们行走来说不安全）是说明原因，询问“为什么做某事”用疑问词Why，故填Why。 一般过去时的肯定句（be动词/实义动词）高频易错点02 用于描述过去发生的动作、过去存在的状态，本单元适配描述历史事件、古代人物行为、过去的参观经历等场景，分为两类核心结构。 1.be动词类肯定句：主语 + was/were + 表语（名词/形容词/介词短语等） 核心规则：单数主语/不可数名词搭配was，复数主语搭配were 2.实义动词类肯定句：主语 + 动词过去式 + 其他 核心规则：动词需使用对应过去式，规则变化按词尾变化规则，不规则变化需单独记忆 易错点提示 1.先判断句子核心：描述状态用be动词过去式was/were，描述动作用实义动词过去式，二者不可同时出现在一个谓语结构中 2.时态标志：看到yesterday, last week, many years ago, in the Tang Dynasty等过去时间状语，必须使用一般过去时 3.并列动作：and连接的两个过去动作，前后动词都需使用过去式，保持时态一致小练笔 一、单项选择题 ( )1. The old temple _______ here for over 800 years, it _______ a famous landmark in the city. 第 1 页 共 14 页 学科网（北京）股份有限公司 A. is; is B. was; was C. were; was D. was; is ( )2. My father _______ me to the natural history museum, and we _______ many dinosaur fossils there. A. take; see B. took; saw C. takes; sees D. took; see ( )3. People in the past _______ silk from China to foreign countries along the Silk Road. A. carry B. carries C. carried D. carrying ( )4. The workers _______ very tired, but they _______ the repair work of the old building on time. A. were; finished B. was; finished C. were; finish D. was; finish ( )5. The famous historian _______ a lot of research about the ancient dynasty, and he _______ many books about it. A. do; write B. did; wrote C. does; writes D. did; write 二、语法填空题 1. The ancient bell _______ (be) made of bronze in the Ming Dynasty. 2. We _______ (visit) the underground palace and _______ (learn) a lot about ancient culture last month. 3. The poet _______ (write) many famous poems about the country when he was young. 4. The villagers _______ (be) very friendly when we went to the old village last year. 5. The prince _______ (lead) his soldiers to protect the country many years ago. 点拨 一、单项选择题 1. D 解析：第一空“for over 800 years”是持续时间，但“寺庙存在800多年”是过去持续到现在的状态，此处用was（强调过去建成并留存）；第二空“它是城市著名地标”是客观事实，用一般现在时is，故选D。 2. B 解析：句子描述的是过去发生的动作，“带某人去某地”和“看到化石”是先后发生的两个过去动作，谓语动词均用过去式took和saw，故选B。 3. C 解析：时间状语“in the past”（在过去）提示句子用一般过去时，谓语动词carry的过去式为carried，故选C。 4. A 解析：第一空主语workers是复数，描述过去的状态用were；第二空“完成修缮工作”是过去发生的动作，用finish的过去式finished，故选A。 5. B 解析：句子描述的是过去发生的动作，“做研究”和“写书”是并列的过去动作，谓语动词均用过去式did和wrote，故选B。 二、语法填空题 1. was 解析：时间状语“in the Ming Dynasty”（明朝）提示一般过去时，主语the ancient bell是单数，be动词用was，故填was。 2. visited; learned 解析：时间状语“last month”（上个月）提示一般过去时，and连接两个并列的过去动作，visit和learn的过去式分别为visited和learned，故填visited; learned。 3. wrote 解析：时间状语“when he was young”（他年轻时）提示一般过去时，write的过去式为wrote，故填wrote。 4. were 解析：时间状语“last year”（去年）提示一般过去时，主语the villagers是复数，be动词用were，故填were。 5. led 解析：时间状语“many years ago”（许多年前）提示一般过去时，lead的过去式为led（不规则变化），故填led。 一般过去时的一般疑问句及回答（含否定句）高频易错点03 用于询问过去是否发生过某动作、是否存在某状态，是一般过去时的核心疑问句型，回答需用对应简短形式，前后时态、助动词/be动词保持一致，同时包含对应否定句结构。 1.实义动词类一般疑问句：Did + 主语 + 动词原形 + 其他？ 肯定回答：Yes, 主语 + did. 否定回答：No, 主语 + didn't. 对应否定句结构：主语 + didn't + 动词原形 + 其他. 2.be动词类一般疑问句：Was/Were + 主语 + 其他？ 肯定回答：Yes, 主语 + was/were. 否定回答：No, 主语 + wasn't/weren't. 对应否定句结构：主语 + wasn't/weren't + 表语. 易错点提示 1. 助动词Did开头的疑问句，后面的实义动词必须变回原形，绝对不能使用过去式 2. Was/Were开头的疑问句，直接用be动词的对应形式回答，不可加助动词did 3. 否定句中，didn't后必须接动词原形，wasn't/weren't后直接接表语，不可再加动词过去式 小练笔 一、单项选择题 ( )1. —_______ you go to the ancient town with your family last winter? —Yes, I did. 第 1 页 共 14 页 学科网（北京）股份有限公司 A. Do B. Did C. Are D. Were ( )2. —_______ the old palace the home of the emperor in the past? —Yes, it was. A. Was B. Were C. Did D. Do ( )3. —Did the ancient people use paper money in the Tang Dynasty? —_______ A. Yes, they were B. No, they didn't C. No, they weren't D. Yes, they do ( )4. —Were there many business shops along the street 100 years ago? —_______. It was the busiest street at that time. A. Yes, there was B. No, there wasn't C. Yes, there were D. No, there weren't ( )5. —Did the guide tell you the story of the old castle? —Yes, he _______. We all listened carefully. A. did B. was C. does D. is 二、句型转换（每空一词） 1. The ancient people grew rice in this area 2000 years ago.（改为一般疑问句并作肯定回答） —_______ the ancient people _______ rice in this area 2000 years ago? —Yes, _______ _______. 2. The old stone bridge was over 300 years old.（改为一般疑问句并作否定回答） —_______ the old stone bridge over 300 years old? —No, _______ _______. 3. He found an old coin in the garden yesterday.（改为一般疑问句并作否定回答） —_______ he _______ an old coin in the garden yesterday? 点拨 一、单项选择题 1. B 解析：答语“Yes, I did”是一般过去时一般疑问句的肯定回答，问句需用助动词Did引导，且句首首字母大写，故选B。 2. A 解析：答语“Yes, it was”是一般过去时be动词引导的一般疑问句的肯定回答，问句主语the old palace是单数，be动词用Was，故选A。 3. B 解析：问句是Did引导的一般过去时一般疑问句，回答需用did/didn't，且主语对应“the ancient people”用they，否定回答为“No, they didn't”，故选B。 4. C 解析：问句是Were there引导的一般过去时there be句型的疑问句，主语many business shops是复数，回答需保持主谓一致，结合答语“它是当时最繁忙的街道”，可知为肯定回答“Yes, there were”，故选C。 5. A 解析：问句是Did引导的一般过去时一般疑问句，肯定回答需用“主语+did”，主语he对应答语用did，故选A。 二、句型转换 1. Did; grow; they did 解析：原句是一般过去时，谓语动词grew是实义动词，改为一般疑问句需加助动词Did，grew还原为grow；肯定回答用“Yes, 主语+did”，主语the ancient people对应they，故填Did; grow; they did。 2. Was; it wasn't 解析：原句是一般过去时be动词（was）引导的陈述句，改为一般疑问句需将Was提前；否定回答用“No, 主语+wasn't”，主语the old stone bridge对应it，故填Was; it wasn't。 3. Did; find; he didn't 解析：原句是一般过去时，谓语动词found是实义动词，改为一般疑问句需加助动词Did，found还原为find；否定回答用“No, 主语+didn't”，主语he保持不变，故填Did; find; he didn't。 4. couldn't finish 解析：原句含情态动词could，改为否定句直接在could后加not，缩写为couldn't，后面接动词原形finish，故填couldn't finish。 5. Did; paint 解析：原句是一般过去时，谓语动词painted是实义动词，改为一般疑问句需加助动词Did，painted还原为paint，故填Did; paint。 综合训练 一、单项选择题 ( )1. —_______ did you do during the winter holiday? — I visited the Terracotta Army with my parents. 第 1 页 共 14 页 学科网（北京）股份有限公司 A. Where B. What C. When D. How ( )2. —What _______ your sister _______ in the history museum yesterday? —She saw many ancient weapons and learned their stories. A. did; see B. do; see C. does; see D. will; see ( )3. —_______ was the old tower in danger of falling down last year? —Because there was a heavy rain and it damaged the base. A. Why B. Who C. How D. What ( )4. —_______ do you think is the greatest inventor in ancient China? —Bi Sheng. He invented the movable type printing. A. What B. Who C. Which D. Where ( )5. We _______ protect the ancient cultural relics, they are the treasure of our country. A. should B. can C. will D. did ( )6. After visiting the Palace Museum, all of us _______ surprised by the beauty of the ancient buildings. A. am B. is C. were D. are ( )7. —Did your father _______ you the story of the Great Wall when you were little? —Yes, he told me many stories about it. A. tell B. told C. tells D. telling ( )8. The old town _______ very busy 100 years ago, it was a famous business centre. A. is B. was C. are D. were ( )9. —_______ can we learn more about the history of our city? —We can visit the city museum and read the local history books. A. Why B. Who C. How D. What ( )10. —How did you _______ when you saw the ancient painting for the first time? —I felt very shocked and excited. A. feel B. felt C. feels D. feeling 二、语法填空题 1.—What _______ (do) your class do to learn about local history last term? —We _______ (visit) the old street and _______ (talk) with the old people living there. 2.—_______ (be) you at the history lecture last Saturday? —No, I _______ (be not). I _______ (have) to look after my little sister at home. 3.They _______ (not finish) their report about the Silk Road last week. They need to finish it this week. 4.We _______ (should) learn about the history of our country, it helps us know more about our culture. 5.After we climbed to the top of the old tower, we _______ (feel) a little tired but very happy. 6.—_______ (do) you go to the old village with your classmates last weekend? —Yes, I _______ (help) the villagers clean the old houses and listened to their stories. 7.People _______ (should not) draw on the old buildings, we should protect them well. 8.—Why _______ (be) the boy so excited yesterday? —Because he _______ (find) an old stamp from his grandpa's collection. 9.The girl _______ (see) the old photo on the wall and _______ (ask) her grandma about the story behind it. 10.—_______ we _______ (visit) the natural history museum next month? —Good idea! We can learn a lot about ancient animals there. 三、句型转换（每空一词） 1.I read many books about ancient history last year. （改为一般疑问句） _______ you _______ many books about ancient history last year? 2.He showed his friends the ancient coins he found.（改为否定句） He _______ _______ his friends the ancient coins he found. 3.The old house was built by a famous artist 100 years ago. （对划线部分提问） _______ _______ the old house built by a famous artist? 4. We should keep the old stories alive by telling them to the young. （改为一般疑问句） _______ we _______ the old stories alive by telling them to the young? 5. They felt very proud when they saw the old relics of their hometown. （对划线部分提问） _______ _______ they _______ when they saw the old relics of their hometown? 四、补全短文（用括号内所给动词的适当形式填空） Last month, our class 1. _______ (have) a special trip to a 1000-year-old village. I 2. _______ (get) up very early that day. After breakfast, I 3. _______ (take) my notebook and a camera to the school gate. My classmates 4. _______ (wait) for me there with our teacher. When we 5. _______ (arrive) at the village, the villagers 6. _______ (be) very warm and welcomed us. Some of us 7. _______ (clean) the old stone houses with the villagers, some 8. _______ (draw) pictures of the beautiful old streets, and I 9. _______ (talk) with an old grandpa and 10. _______ (write) down his stories about the village. The old grandpa 11. _______ (show) us around the old ancestral hall and 12. _______ (tell) us the history of the village. We 13. _______ (feel) very happy because we 14. _______ (learn) so many new things about the old village. At noon, we 15. _______ (have) lunch with the villagers. The food 16. _______ (be) made by the villagers themselves, and it was very delicious. Before we left, we 17. _______ (promise) that we 18. _______ (come) to visit them again. We all think we 19. _______ (should) do more things to protect these old villages, because they 20. _______ (be) the living history of our country. 参考答案 一、单项选择题 1.B　　2.A　　3.A　　4.B　　5.A　　6.C　　7.A　　8.B　　9.C　　10.A 1.B 解析：答语“I visited the Terracotta Army...”（我和父母参观了兵马俑）是“做的事情”，询问“做什么”用疑问词What，故选B。 2.A 解析：时间状语yesterday提示一般过去时，问句是What引导的特殊疑问句，谓语动词see是实义动词，需加助动词did，see用原形，故选A。 3.A 解析：答语“Because there was a heavy rain...”（因为下了一场大雨，损坏了塔基）是说明原因，询问“为什么”用疑问词Why，故选A。 4.B 解析：答语“Bi Sheng”（毕昇）是人，询问“谁”用疑问词Who，故选B。 5.A 解析：句意“我们应该保护古代文物，它们是我们国家的财富”，should表示“应该”，符合“建议保护文物”的语境，故选A。 6.C 解析：时间状语“After visiting the Palace Museum”（参观故宫后）提示动作发生在过去，主语all of us是复数，be动词用were，故选C。 7.A 解析：问句是Did引导的一般过去时一般疑问句，Did后接动词原形，tell用原形，故选A。 8.B 解析：时间状语100 years ago提示一般过去时，主语the old town是单数，be动词用was，故选B。 9.C 解析：答语“We can visit the city museum and read...”（我们可以参观城市博物馆并阅读...）是说明“了解历史的方式”，询问方式用疑问词How，故选C。 10.A 解析：问句是How did引导的特殊疑问句，did后接动词原形，feel用原形，故选A。 二、语法填空题 1.did; visited; talked　　2.Were; wasn't; had　　3.didn't finish　　4.should　　5.felt　　6.Did; helped　　7.shouldn't　　8.was; found　　9.saw; asked　　10.Shall; visit（或Will; visit） 1.did; visited; talked 解析：时间状语last term提示一般过去时，第一空助动词用did；第二、三空是并列的过去动作，visit和talk的过去式分别为visited和talked，故填did; visited; talked。 2.Were; wasn't; had 解析：时间状语last Saturday提示一般过去时，第一空主语you用be动词Were；第二空否定回答用wasn't；第三空“不得不”用have to，过去式为had，故填Were; wasn't; had。 3.didn't finish 解析：时间状语last week提示一般过去时，否定句需加助动词didn't，finish用原形，故填didn't finish。 4.should 解析：句意“我们应该了解我们国家的历史，它帮助我们更多地了解我们的文化”，should表示“应该”，符合语境，故填should。 5.felt 解析：after引导的时间状语从句用一般过去时，主句动作也发生在过去，feel的过去式为felt，故填felt。 6.Did; helped 解析：时间状语last weekend提示一般过去时，第一空助动词用Did；第二空help的过去式为helped，故填Did; helped。 7.shouldn't 解析：句意“人们不应该在古建筑上画画，我们应该好好保护它们”，should not的缩写为shouldn't，故填shouldn't。 8.was; found 解析：时间状语yesterday提示一般过去时，第一空主语the boy是单数，be动词用was；第二空find的过去式为found，故填was; found。 9.saw; asked 解析：句子描述过去发生的并列动作，see和ask的过去式分别为saw和asked，故填saw; asked。 10.Shall; visit（或Will; visit） 解析：时间状语next month提示一般将来时，询问建议可用Shall we...或Will we...，后接动词原形，故填Shall; visit（或Will; visit）。 三、句型转换 1.Did; read　　2.didn't; show　　3.When; was　　4.Should; keep　　5.How; did; feel 1.Did; read 解析：原句是一般过去时，谓语动词read是实义动词（过去式与原形一致），改为一般疑问句需加助动词Did，read用原形，故填Did; read。 2.didn't; show 解析：原句是一般过去时，谓语动词showed是实义动词，改为否定句需加助动词didn't，showed还原为show，故填didn't; show。 3.When; was 解析：划线部分“100 years ago”是时间，用疑问词When提问；原句是一般过去时的被动语态，疑问句需将be动词was提前，故填When; was。 4.Should; keep 解析：原句含情态动词should，改为一般疑问句需将Should提前，后面接动词原形keep，故填Should; keep。 5.How; did; feel 解析：划线部分“very proud”是感受，用疑问词How提问；原句是一般过去时，谓语动词felt是实义动词，需加助动词did，felt还原为feel，故填How; did; feel。 四、补全短文（用括号内所给动词的适当形式填空） 1.had　　2.got　　3.took　　4.were waiting　　5.arrived　　6.were　　7.cleaned　　8.drew　　9.talked　　10.wrote　　11.showed　　12.told　　13.felt　　14.learned　　15.had　　16.was　　17.promised　　18.would come　　19.should　　20.are 1.had 解析：时间状语Last month提示一般过去时，have的过去式为had。 2.got 解析：that day指代上个月的某天，动作发生在过去，get的过去式为got。 3.took 解析：描述过去发生的动作，take的过去式为took。 4.were waiting 解析：句意“我的同学和老师正在校门口等我”，过去某一时刻正在发生的动作，用过去进行时，主语my classmates是复数，be动词用were，wait的现在分词为waiting。 5.arrived 解析：描述过去发生的动作，arrive的过去式为arrived。 6.were 解析：主语the villagers是复数，动作发生在过去，be动词用were。 7.cleaned 解析：and连接并列的过去动作，clean的过去式为cleaned。 8.drew 解析：与cleaned并列，draw的过去式为drew。 9.talked 解析：and连接并列的过去动作，talk的过去式为talked。 10.wrote 解析：与talked并列，write的过去式为wrote。 11.showed 解析：and连接并列的过去动作，show的过去式为showed。 12.told 解析：与showed并列，tell的过去式为told。 13.felt 解析：描述过去的感受，feel的过去式为felt。 14.learned 解析：“学到很多新东西”发生在“感到开心”之前，用一般过去时，learn的过去式为learned。 15.had 解析：描述过去的动作，have的过去式为had。 16.was 解析：主语the food是单数，动作发生在过去，be动词用was。 17.promised 解析：描述过去的动作，promise的过去式为promised。 18.would come 解析：宾语从句中，主句用一般过去时，从句需用相应的过去将来时，will come的过去将来时为would come。 19.should 解析：should表示“应该”，此处用原形，符合语境。 20.are 解析：“它们是我们国家的活历史”是客观事实，用一般现在时，主语they是复数，be动词用are。 $