Unit 5 Old things PartB（同步练）-2025-2026学年人教PEP版英语三年级下册

**基本信息** 小学英语Unit 5 PartB同步练，聚焦词形转换与句式应用，通过基础记忆-语境应用-句式转换三层递进设计，强化语言能力与思维品质，适配新授课知识巩固需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础认知|单一词形转换（复数、时态、近反义词等）|直接填写单词形式，强化基础记忆，如写出boat复数、keep过去式| |综合应用|语境中词形应用（动词时态、名词复数等）|结合句子情境填空，提升语言应用能力，如用keep适当形式完成句子| |能力提升|句式转换（单复数、否定句、疑问句等）|综合词形与语法知识，培养思维转换能力，如将单数句改为复数句|

Unit 5 Old things PartB同步练 一、按要求写单词（基础词性/词形转换） 1. 写出 boat 的复数形式：__________ 2. 写出 cool 的比较级形式：__________ 3. 写出 keep 的第三人称单数形式：__________ 4. 写出 keep 的现在分词形式：__________ 5. 写出 keep 的过去式形式：__________ 6. 写出 home 的复数形式：__________ 7. 写出 ball 的复数形式：__________ 8. 写出 doll 的复数形式：__________ 9. 写出 car 的复数形式：__________ 10. 写出 shelf 的复数形式：__________ 11. 写出 box 的复数形式：__________ 12. 写出 cap 的复数形式：__________ 13. 写出 map 的复数形式：__________ 14. 写出 put 的第三人称单数形式：__________ 15. 写出 put 的现在分词形式：__________ 16. 写出 put 的过去式形式：__________ 17. 写出 still 的近义词（小学阶段）：__________ 18. 写出 cool 的反义词：__________ 19. 写出 in 的反义词：__________ 20. 写出 on 的反义词：__________ 二、用所给单词的适当形式填空（综合词形/词性转换） 1. I see many ______ (boat) on the river. 2. The new bike is very ______ (cool). 3. My mother ______ (keep) the house clean every day. 4. We should ______ (keep) our classroom tidy. 5. He ______ (keep) the toy for many years. 6. I am ______ (keep) my room clean. 7. I go ______ (home) at 5 o’clock every day. 8. There are many ______ (ball) in the box. 9. The little girl has many ______ (doll). 10. My father has two ______ (car). 11. There are many books on the ______ (shelf). 12. There are many ______ (box) under the bed. 13. The boy has many colourful ______ (cap). 14. There are some ______ (map) on the wall. 15. Please ______ (put) your books on the desk. 16. He ______ (put) his bag on the chair just now. 17. She is ______ (put) her toys in the box. 18. The cat is ______ (at) home today. 19. The book is ______ (on) the desk. 20. The pen is ______ (in) the pencil box. 21. The shoes are ______ (under) the bed. 22. The students ______ (still) play in the park. 23. The ______ (boat) are big and beautiful. 24. The weather is getting ______ (cool) in autumn. 25. We ______ (keep) our promises to our friends. 26. The dog ______ (keep) barking all night. 27. The children are ______ (keep) their toys in order. 28. My ______ (home) is near the school. 29. The ______ (ball) are rolling on the floor. 30. The ______ (doll) are on the shelf. 31. The ______ (car) are parked in the yard. 32. The ______ (shelf) in the library are full of books. 33. The ______ (box) are heavy. 34. The ______ (cap) are on the hooks. 35. The ______ (map) are of different countries. 36. He ______ (put) the book on the shelf yesterday. 37. She ______ (put) her hands in her pockets. 38. The children are ______ (put) their toys away. 39. The keys are ______ (under) the sofa. 40. The picture is ______ (on) the wall. 三、词性转换专项练习（写出指定词性形式） （1） 动词变形 1. keep 第三人称单数：__________ 现在分词：__________ 过去式：__________ 2. put 第三人称单数：__________ 现在分词：__________ 过去式：__________ （2） 名词复数转换 1. 一般规则变化： boat → __________ ball → __________ doll → __________ car → __________ cap → __________ map → __________ 2. 以x 结尾： box → __________ 3. 以f/-fe 结尾（特殊变化）： shelf → __________ （3） 形容词/副词转换 1. cool → __________（比较级）/ __________（最高级） 2. still → __________（形容词形式，小学阶段常用） （4） 介词反义词配对 1. in → __________ 2. on → __________ 3. under → __________ 四、词形填空（根据句意用括号内单词的正确形式填空） 1. There are many ______ (boat) on the lake. 2. The new phone is very ______ (cool). 3. My grandma ______ (keep) the old photos carefully. 4. We should ______ (keep) our hands clean. 5. He ______ (keep) a diary every day. 6. The students are ______ (keep) the classroom clean. 7. I go ______ (home) after school. 8. The children are playing with ______ (ball) in the yard. 9. My sister has many beautiful ______ (doll). 10. My uncle has three ______ (car). 11. The books are on the ______ (shelf). 12. The toys are in the ______ (box). 13. The boy wears a red ______ (cap). 14. There is a ______ (map) of China on the wall. 15. Please ______ (put) your coat on the chair. 16. She ______ (put) her keys in her bag just now. 17. He is ______ (put) his shoes under the bed. 18. The cat is ______ (at) the door. 19. The book is ______ (on) the table. 20. The pen is ______ (in) the desk. 21. The ball is ______ (under) the chair. 22. He is ______ (still) waiting for his friend. 23. The ______ (boat) are moving slowly on the water. 24. The wind is ______ (cool) today than yesterday. 25. The teacher ______ (keep) the classroom quiet. 26. We ______ (keep) our school clean every day. 27. The ______ (home) is a warm place for everyone. 28. The ______ (ball) game is very interesting. 29. The little girl is playing with her ______ (doll). 30. The ______ (car) race is very exciting. 五、按要求改写句子（含词形/词性转换） 1. I keep my room clean.（改为第三人称单数句子） He ______ his room clean. 2. She puts her toys in the box.（改为否定句） She ______ ______ her toys in the box. 3. The ball is under the chair.（改为一般疑问句） ______ the ball ______ the chair? 4. These are my dolls.（改为单数句） ______ is my ______. 5. The books are on the shelf.（改为单数句） The ______ ______ on the shelf. 6. He has a cool car.（改为复数句） They have many ______ ______. 7. I go home at 6:00.（改为一般疑问句） ______ you ______ home at 6:00? 8. The cap is on the desk.（改为复数句） The ______ ______ on the desk. 9. She keeps the box under the bed.（改为一般疑问句） ______ she ______ the box under the bed? 10. The boat is on the river.（改为复数句） The ______ ______ on the river. 参考答案 一、按要求写单词 1. boats 2. cooler 3. keeps 4. keeping 5. kept 6. homes 7. balls 8. dolls 9. cars 10. shelves 11. boxes 12. caps 13. maps 14. puts 15. putting 16. put 17. quiet 18. warm / hot 19. out 20. under 二、用所给单词的适当形式填空 1. boats 2. cool 3. keeps 4. keep 5. kept 6. keeping 7. home 8. balls 9. dolls 10. cars 11. shelves 12. boxes 13. caps 14. maps 15. put 16. put 17. putting 18. at 19. on 20. in 21. under 22. still 23. boats 24. cooler 25. keep 26. keeps 27. keeping 28. home 29. balls 30. dolls 31. cars 32. shelves 33. boxes 34. caps 35. maps 36. put 37. puts 38. putting 39. under 40. on 三、词性转换专项练习 （1） 动词变形 1. keeps; keeping; kept 2. puts; putting; put （2）名词复数转换 1. boats; balls; dolls; cars; caps; maps 2. boxes 3. shelves （3）形容词/副词转换 1. cooler; coolest 2.still （4） 介词反义词配对 1. out 2. under 3. on / above 四、词形填空 1. boats 2. cool 3. keeps 4. keep 5. keeps 6. keeping 7. home 8. balls 9. dolls 10. cars 11. shelf / shelves 12. box / boxes 13. cap 14. map 15. put 16. put 17. putting 18. at 19. on 20. in 21. under 22. still 23. boats 24. cooler 25. keeps 26. keep 27. home 28. ball 29. doll 30. car 五、按要求改写句子 1. keeps 2. doesn’t put 3. Is; under 4. This; doll 5. book is 6. cool cars 7. Do; go 8. caps are 9. Does; keep 10. boats are 学科网（北京）股份有限公司 $