Unit 1-3语法易错点巩固提升（专项训练）-2026-2027学年外研版（三起）英语四年级上册

外研版四年级上册英语 Unit1—3 语法易错点巩固提升练习 （can/can't · May I · must · like doing · What's the weather like? · It's + 天气） 【易错点速览】 (1) can + 动词原形，表示「能/会做某事」：I can run fast. / She can swim. / We can play football. (2) can't (cannot) + 动词原形，表示「不能/不会」：I can't jump high. / He can't swim at first. (3) Can you...? 询问能力：Can you run fast? — Yes, I can. / No, I can't. But I can learn. (4) May I + 动词原形? 表示请求许可：May I play outside? — Sure. / Yes, you may. (5) must + 动词原形，表示「必须做某事」：I must help my family. / You must tidy your room. (6) like + doing，表示「喜欢做某事」：I like playing sports. / She likes running. / Do you like swimming? (7) What's the weather like? 询问天气：What's the weather like today? — It's sunny and warm. (8) 天气形容词：sunny（晴朗的）、cloudy（多云的）、windy（有风的）、rainy（下雨的）、snowy（下雪的）。 (9) 温度形容词：hot（热的）、cold（冷的）、cool（凉爽的）、warm（温暖的）。 (10) It's + 天气形容词，用 and 连接两个描述：It's sunny and warm. / It's windy and cloudy. (11) Let's + 动词原形，表示「让我们做某事」：Let's go out to play. / Let's run! / Let's go home! (12) 运动词汇：run fast, swim, jump high, jump far, play football, play basketball, play ping-pong, play volleyball. (13) 家务词汇：clean the floor/table, tidy the room, wash the dishes, make the bed, wash the clothes, sweep the floor, take out the rubbish, feed the dog. (14) take care of 照顾：I take care of Dad. / She takes care of Grandma. (15) help sb. (to) do sth. 帮助某人做某事：Can you help me clean the floor? / May I help you wash the dishes? (16) I've got... 我有：I've got a good idea. / I've got an umbrella. 一、用 can / can't / May I / must 填空（注意大小写） 提示：根据句意判断是「能/不能」、请求许可还是「必须」，句首首字母大写。 1. ______ you run fast? — Yes, I can. 2. I ______ swim at first, but now I can swim fast. 3. ______ play outside, Dad? — Sure, but tidy your room first. 4. My dad is ill. I ______ help him. 5. She ______ jump high, but she ______ jump far. 6. ______ you help me clean the floor? — OK! 7. You ______ wash the dishes after dinner. 8. ______ I sweep the floor first? — Yes, please. 9. The little bird ______ fly because it is too young. 10. We ______ take out the rubbish every day. 11. ______ you play ping-pong well? — No, I ______. But I can learn. 12. ______ I take out the rubbish now? — Sure. 13. Sam ______ make the bed, but he ______ wash the clothes. 14. ______ I have some water, please? — Here you are. 15. You ______ feed the dog before you go to school. 二、写出下列动词的 -ing 形式 提示：一般直接加 -ing；以不发音 e 结尾去 e 加 -ing；重读闭音节双写末尾字母加 -ing。 动词 -ing 形式 动词 -ing 形式 run __________ swim __________ jump __________ play __________ make __________ take __________ wash __________ clean __________ sweep __________ feed __________ tidy __________ do __________ go __________ come __________ sit __________ get __________ put __________ cut __________ write __________ ride __________ 三、用所给词的适当形式填空 提示：注意 can/must/Let's 后接动词原形，like 后接动词 -ing 形式。 1. I can ______ (run) fast. 2. She likes ______ (play) basketball. 3. Let's ______ (go) out to play. 4. You must ______ (tidy) your room first. 5. May I ______ (help) you wash the dishes? 6. They can't ______ (swim) in the river. 7. Do you like ______ (jump) high? 8. We must ______ (take) out the rubbish. 9. He can ______ (play) ping-pong well. 10. I like ______ (feed) the dog after school. 11. Can you ______ (make) the bed? 12. Let's ______ (clean) the table together. 13. She must ______ (sweep) the floor. 14. Do they like ______ (play) volleyball? 15. I can't ______ (jump) far, but I can jump high. 四、单项选择 1. — ______ you swim? — Yes, I can. A. Do B. Are C. Can D. Is 2. I like ______ sports very much. A. play B. playing C. plays D. played 3. — May I play outside? — ______ A. Yes, I can. B. Sure. C. No, I don't. D. Yes, I am. 4. What's the weather ______ today? A. / B. like C. likes D. liking 5. It's ______ and warm. We can go out to play. A. sunny B. snow C. rain D. cloud 6. You ______ tidy your room first. It's so dirty. A. can B. may C. must D. do 7. Let's ______ home! It's rainy now. A. go B. going C. goes D. went 8. — Can she play volleyball? — No, she ______. A. don't B. isn't C. can't D. doesn't 9. I take care ______ my grandma when she is ill. A. of B. for C. with D. to 10. It's ______ in winter in Harbin. A. hot B. warm C. cold D. cool 11. Can you help me ______ the floor? A. clean B. cleans C. cleaning D. cleaned 12. — What's the weather like? — It's ______. A. wind B. winds C. windy D. winding 13. I've got ______ good idea. A. a B. an C. the D. / 14. He likes ______ after dinner. A. walk B. walking C. walks D. walked 15. It never ______ in Sanya. It's hot there. A. snow B. snows C. snowy D. snowing 五、句型转换（对划线部分提问，划线部分已用下划线标注） 提示：先判断划线部分是问能力、事物、天气、动作还是地点，再选择合适的疑问词。 1. I can run fast. ______________________________ 2. She likes playing basketball. ______________________________ 3. It's sunny and warm today. ______________________________ 4. They can play football after school. ______________________________ 5. He must tidy his room first. ______________________________ 6. The weather is cold and snowy in Harbin. ______________________________ 7. I like swimming in summer. ______________________________ 8. We can clean the floor together. ______________________________ 9. It's hot in Sanya. ______________________________ 10. She can jump high. ______________________________ 六、单句改错 提示：每句均有一处错误，请找出并改正。 1. She can plays ping-pong well. 改正：________________________________________________ 2. I like play football after school. 改正：________________________________________________ 3. What's the weather likes today? 改正：________________________________________________ 4. You must tidying your room first. 改正：________________________________________________ 5. May I to go outside, Dad? 改正：________________________________________________ 6. It's wind and cloudy today. 改正：________________________________________________ 7. Let's going home now. 改正：________________________________________________ 8. He don't like swimming. 改正：________________________________________________ 9. Can you help me cleans the table? 改正：________________________________________________ 10. It's snow in winter here. 改正：________________________________________________ 11. They likes playing basketball. 改正：________________________________________________ 12. I must to feed the dog. 改正：________________________________________________ 七、根据汉语提示完成句子 1. 你能跑得快吗？ ______ you ______ fast? 2. 我喜欢打篮球。 I ______ ______ basketball. 3. 今天天气怎么样？ ______ the ______ ______ today? 4. 让我们出去玩吧！ ______ ______ out to play! 5. 你必须先整理房间。 You ______ ______ your room first. 6. 我可以帮你洗碗吗？ ______ I ______ you wash the dishes? 7. 今天晴朗又温暖。 It's ______ and ______ today. 8. 他不会游泳，但他可以学。 He ______ swim, but he ______ learn. 9. 我照顾我的奶奶。 I ______ ______ ______ my grandma. 10. 哈尔滨冬天又冷又下雪。 It's ______ and ______ in winter in Harbin. 八、完形填空 阅读短文，从每题所给的 A、B、C 三个选项中选出最佳答案。 It's Saturday morning. The weather is __1__ and warm. Daming and his friends want to play sports in the park. Daming __2__ run fast and jump high. Lingling can play ping-pong well, but she __3__ swim. Sam likes __4__ football. Amy says, "__5__ play basketball together!" They all agree. After playing, they are tired. Daming says, "I __6__ go home now. My mum is ill. I must __7__ her." Lingling says, "May I __8__ you clean the room?" Daming says, "Thank you! You are so __9__." What a __10__ day! （ ）1 A. sunny B. snow C. rain （ ）2 A. can B. can't C. must （ ）3 A. can B. can't C. must （ ）4 A. play B. plays C. playing （ ）5 A. Let B. Let's C. Lets （ ）6 A. can B. may C. must （ ）7 A. take care of B. take care C. care of （ ）8 A. help B. helps C. helping （ ）9 A. sad B. helpful C. tired （ ）10 A. bad B. wonderful C. cold 外研版四年级上册英语 Units 1—3 语法易错点巩固提升练习 （参考答案与解析） 一、用 can / can't / May I / must 填空 1. Can 2. can't 3. May I 4. must 5. can; can't 6. Can 7. must 8. May 9. can't 10. must 11. Can; can't 12. May 13. can; can't 14. May 15. must 二、写出下列动词的 -ing 形式 动词 -ing 形式 动词 -ing 形式 run running swim swimming jump jumping play playing make making take taking wash washing clean cleaning sweep sweeping feed feeding tidy tidying do doing go going come coming sit sitting get getting put putting cut cutting write writing ride riding 三、用所给词的适当形式填空 1. run 2. playing 3. go 4. tidy 5. help 6. swim 7. jumping 8. take 9. play 10. feeding 11. make 12. clean 13. sweep 14. playing 15. jump 四、单项选择 1. C 解析：答语用 can，问句也用 Can 引导，询问能力。 2. B 解析：like 后接动词 -ing 形式，表示「喜欢做某事」。 3. B 解析：May I...? 请求许可，回答用 Sure. / Yes, you may. 4. B 解析：What's the weather like? 是固定句型，like 是介词。 5. A 解析：It's 后接天气形容词，sunny 是形容词，snow/rain/cloud 是名词。 6. C 解析：根据后句「房间太脏了」可知是必须整理，用 must。 7. A 解析：Let's 后接动词原形。 8. C 解析：Can 开头的一般疑问句，否定回答用 No, she can't. 9. A 解析：take care of 是固定搭配，表示「照顾」。 10. C 解析：哈尔滨冬天很冷，用 cold。 11. A 解析：help sb. (to) do sth.，后接动词原形。 12. C 解析：It's 后接天气形容词，windy 是形容词。 13. A 解析：good 以辅音音素开头，用 a。 14. B 解析：like 后接动词 -ing 形式。 15. B 解析：It 是第三人称单数，一般现在时动词加 -s，用 snows。 五、句型转换（对划线部分提问） 1. What can you do?（划线部分：run fast） 2. What does she like doing?（划线部分：playing basketball） 3. What's the weather like today?（划线部分：sunny and warm） 4. What can they do after school?（划线部分：play football） 5. What must he do first?（划线部分：tidy his room） 6. What's the weather like in Harbin?（划线部分：cold and snowy） 7. What do you like doing in summer?（划线部分：swimming） 8. What can we do together?（划线部分：clean the floor） 9. How is the weather in Sanya? / What's the weather like in Sanya?（划线部分：hot） 10. What can she do?（划线部分：jump high） 六、单句改错 1. plays → play（can 后接动词原形） 2. play → playing（like 后接动词 -ing 形式） 3. likes → like（What's the weather like? 中 like 是介词，不加 -s） 4. tidying → tidy（must 后接动词原形） 5. to go → go（May I 后接动词原形） 6. wind → windy（It's 后接天气形容词 windy） 7. going → go（Let's 后接动词原形） 8. don't → doesn't（He 是第三人称单数，用 doesn't） 9. cleans → clean（help sb. do sth. 后接动词原形） 10. snow → snowy（It's 后接天气形容词 snowy） 11. likes → like（They 是复数，动词用原形 like） 12. to feed → feed（must 后接动词原形） 七、根据汉语提示完成句子 1. Can; run 2. like playing 3. What's; weather like 4. Let's go 5. must tidy 6. May; help 7. sunny; warm 8. can't; can 9. take care of 10. cold; snowy 八、完形填空 1. A 解析：and warm 前应填天气形容词，sunny 符合语境。 2. A 解析：根据后文可知大明能跑得快跳得高，用 can。 3. B 解析：but 表示转折，玲玲乒乓球打得好但不会游泳，用 can't。 4. C 解析：like 后接动词 -ing 形式。 5. B 解析：Let's + 动词原形，表示「让我们做某事」。 6. C 解析：妈妈生病了，大明必须回家，用 must。 7. A 解析：take care of 是固定搭配，表示「照顾」。 8. A 解析：May I 后接动词原形。 9. B 解析：玲玲主动帮忙，说明她很乐于助人，用 helpful。 10. B 解析：全文描述了愉快的一天，用 wonderful。 1 学科网（北京）股份有限公司 $