Unit 7 Happy Birthday! 单元语法专项-2026-2027学年上学期英语三年级上册（译林版三起新教材）

**基本信息** 以生日主题为核心，系统整合年龄问答、数字表达等五大交际句型，通过易错警示与场景化练习构建从概念到应用的完整语法体系。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |核心语法总结|8大知识点|高频易错警示（如be动词搭配、冠词使用）、句型结构规范（How old are you?等固定搭配）|以生日场景为线索，串联年龄问答、数字1-10、愿望表达等交际链，形成生活应用逻辑| |专项练习题|10类练习（含句子改错、短文填空等）|句型转换技巧（划线提问、否定句）、情景交际策略（购物对话链）|从基础夯实（数字拼写）到综合运用（短文填空），梯度覆盖语言能力与思维品质培养|

Unit 7 Happy Birthday! 单元语法专项-2026-2027学年上学期英语三年级上册（译林版三起新教材） 第一部分 单元核心语法知识点总结 一、生日主题核心概念 本单元核心语法为生日主题交际句型，围绕"生日"场景学习年龄问答、数字表达、愿望表达、感谢用语和购物交际，是小学英语入门阶段的核心生活交际句型。主要包括五大核心结构：How old are you? 年龄问答、数字1-10、I want ... 愿望/需求表达、Thank you / You're welcome 感谢应答、Can I help you? / Here you are 购物交际。 核心语境标志：Story time中Liu Tao和爸爸买玩具过生日（How old are you? / I'm nine. / Can I help you? / Here you are. / Thank you! / You're welcome. / Happy Birthday, Taotao. / Thanks, Dad! I love you.），Cartoon time中Bobby过生日（Happy Birthday, Bobby! / I'm two now. / I want a car. / I want a book.），Wrap-up time中谈论生日。 二、How old are you? 年龄问答 名称 内容 教材例句 问句结构 How old are you? How old are you?Hi! How old are you? 答句结构 I'm + 数字. I'm nine.I'm two now.Three. 完整问答 — How old are you? — I'm nine. — How old are you? — I'm nine. 缩写说明 I'm = I am I'm nine. = I am nine. 要点提示 how old 用于询问年龄；答句用 I'm + 数字 不可用 I is 第三人称问答 — How old is he/she? — He's/She's + 数字. How old is Taotao? He's nine. 三、数字1-10表达 数字 英文 教材例句 拼写要点 1 one One, two. — 2 two I'm two now. — 3 three Three. I want this, please. 注意 th 发音 4 four One, two, three, four, five! — 5 five One, two, three, four, five! — 6 six — — 7 seven seven（气球数字） — 8 eight eight（气球数字） — 9 nine I'm nine. — 10 ten ten（气球数字） — 用法 数字用于回答年龄、数物品 How old are you? I'm nine. 数字可单独成句回答 四、I want ... 愿望/需求表达 名称 内容 教材例句 陈述句结构 I want + 名词. I want a car.I want a book.I want a ball. 礼貌表达 I want ..., please. I want this, please. 复数 / 不可数 I want some + 复数名词. I want some toys for my boys. 完整问答 — What do you want? — I want a car. — What do you want, Bobby? — I want a car. 要点提示 want 后直接跟名词；单数名词前加 a/an I want a car.（不是 I want car.） 缩写说明 want 没有缩写形式 — 五、感谢与礼貌用语汇总 功能 英文表达 教材例句 应答语 感谢 Thank you! Thank you! You're welcome. 感谢（口语） Thanks! Thanks, Dad! — 应答感谢 You're welcome. You're welcome. — 表达爱意 I love you. Thank you! I love you.Thanks, Dad! I love you. I love you too. 生日祝福 Happy Birthday! Happy Birthday, Bobby!Happy Birthday, Taotao. Thank you! 赞叹 How lovely! Look! How lovely! — 赞叹（口语） Cool! Cool! I love this. — 六、购物交际句型 功能 英文表达 教材例句 店员招呼 Can I help you? Hello! Can I help you? 顾客回应 Yes, please. Yes, please. I want some toys for my boys. 递物品 Here you are. Here you are. 顾客感谢 Thank you! Thank you! 店员应答 You're welcome. You're welcome. 邀请 / 引导 Please come here. Please come here. 要点提示 购物交际句型要配套使用，形成完整对话链 Can I help you? → Yes, please. → Here you are. → Thank you! → You're welcome. ⚠️ 七、高频易错警示 易错类型 错误示例 正确答案 易错原因 be 动词搭配错误 I is nine. I'm nine. / I am nine. I 后用 am，不用 is 年龄问答缺 old How are you? How old are you? 询问年龄用 how old，不是 how want 后缺冠词 I want car. I want a car. 单数可数名词前加 a 感谢应答混淆 — Thank you! — Thank you too. — Thank you! — You're welcome. 感谢应答用 You're welcome 数字拼写错误 I'm nince. I'm nine. 9 的正确拼写是 nine Here you are 语序 Here are you. Here you are. 固定句型，语序不可变 Can I help you 回答 Yes, I can. Yes, please. 购物场景用 Yes, please，不是 Yes, I can Happy Birthday 大小写 happy birthday! Happy Birthday! 句首大写，祝福语可大写 I'm 缩写错误 I'am nine. I'm nine. 正确缩写是 I'm，不是 I'am some 后名词单复数 I want some toy. I want some toys. some 后接复数名词 八、单元核心固定搭配（语法常考搭配） 短语 中文释义 教材出处 Happy Birthday 生日快乐 Cartoon time / Story time How old are you? 你多大了？ Story time / Cartoon time I'm ... (years old) 我…… 岁 Story time / Cartoon time I want ... 我想要…… Cartoon time / Story time Thank you 谢谢你 Story time / Cartoon time You're welcome 不客气 Story time I love you 我爱你 Cartoon time / Story time Can I help you? 我能帮你吗？ Story time Here you are 给你 Story time birthday gift 生日礼物 Wrap-up time birthday cake 生日蛋糕 Cartoon time some toys 一些玩具 Story time How lovely! 多可爱啊！ Story time Yes, please 好的，谢谢 Story time Thanks, Dad 谢谢爸爸 Story time 第二部分 语法专项练习题 练习一 写出下列数字的英文形式（基础夯实·1-10数字） 1. 1 ________ 2. 2 ________ 3. 3 ________ 4. 4 ________ 5. 5 ________ 6. 6 ________ 7. 7 ________ 8. 8 ________ 9. 9 ________ 10. 10 ________ 11. 两岁 ________ 12. 九岁 ________ 练习二 用 am / is / are 填空（be动词搭配核心训练） 1. I ________ nine. 2. How old ________ you? 3. He ________ two now. 4. ________ you Bobby? 5. This ________ a birthday cake. 6. They ________ my friends. 7. I ________ happy today. 8. How old ________ she? 9. The toys ________ lovely. 10. ________ this your car? 11. I ________ Taotao. 12. You ________ welcome. 练习三 用所给词的适当形式填空（年龄问答与I want句型） 1. How old ________ (be) you? 2. I ________ (be) nine. 3. I want ________ (a) car. 4. I want some ________ (toy) for my boys. 5. Happy ________ (Birthday), Bobby! 6. ________ (thank) you! 7. You're ________ (welcome). 8. I want a ________ (books). 9. Here ________ (your) are. 10. I love ________ (you). 练习四 句子改错（找出下列各句中的一处错误并改正） 1. I is nine. ________ 改为 ________ 2. How are you?（询问年龄） ________ 改为 ________ 3. I want car. ________ 改为 ________ 4. — Thank you! — Thank you too. ________ 改为 ________ 5. I'm nince. ________ 改为 ________ 6. Here are you. ________ 改为 ________ 7. — Can I help you? — Yes, I can. ________ 改为 ________ 8. I'am two now. ________ 改为 ________ 9. I want some toy. ________ 改为 ________ 10. Thanks dad! ________ 改为 ________ 练习五 按要求改写句子（句型转换核心训练） 1. I'm nine.（对划线部分提问） ________________________________________________ 2. I want a car.（对划线部分提问） ________________________________________________ 3. I'm two.（改为一般疑问句） ________________________________________________ 4. Thank you!（写出应答语） ________________________________________________ 5. How old are you?（用 three 回答） ________________________________________________ 6. I want a book.（改为否定句） ________________________________________________ 7. Can I help you?（用 I want some toys 回答） ________________________________________________ 8. Happy Birthday!（写出应答语） ________________________________________________ 9. I am nine.（改为缩写形式） ________________________________________________ 10. Here you are.（写出应答语） ________________________________________________ 11. I want a ball.（对划线部分提问） ________________________________________________ 12. You're welcome.（写出上句） ________________________________________________ 练习六 单项选择（语法辨析·易错点强化） ( ) 1. — ________ are you? — I'm nine. A. How B. How old C. What ( ) 2. I ________ two now. A. is B. am C. are ( ) 3. I want ________ car. A. a B. an C. the ( ) 4. — Thank you! — ________ A. Thank you! B. You're welcome. C. Yes, please. ( ) 5. — Can I help you? — ________ A. Yes, please. B. Yes, I can. C. Thank you. ( ) 6. Here ________. A. are you B. you are C. you is ( ) 7. Happy ________, Bobby! A. birthday B. Birthday C. a birthday ( ) 8. I want some ________. A. toy B. toys C. a toy ( ) 9. — ________? — I want a book. A. How old are you B. What do you want C. Can I help you ( )10. I'm ________. A. nince B. nine C. nin ( )11. — How old is he? — ________ two. A. He's B. She's C. I'm ( )12. ________ lovely! A. What B. How C. So ( )13. I love ________. A. your B. you C. yours ( )14. — Here you are. — ________ A. Thank you! B. You're welcome. C. OK. ( )15. Which of the following sentences is CORRECT? A. I is nine. B. I want a car. C. Here are you. ( )16. — ________? — I'm seven. A. How are you B. How old are you C. What are you ( )17. I want ________ apple. A. a B. an C. the ( )18. — Thanks, Dad! — ________ A. You're welcome. B. Thank you! C. I love you. ( )19. One, two, ________, four, five. A. three B. tree C. thress ( )20. — Happy Birthday! — ________ A. Happy Birthday! B. Thank you! C. You're welcome. 练习七 根据汉语提示完成句子（汉译英语法输出） 1. 你多大了？ ________ ________ are you? 2. 我九岁了。 ________ nine. 3. 我想要一辆小汽车。 I ________ a ________. 4. 谢谢你！ ________ you! 5. 不客气。 ________ welcome. 6. 生日快乐！ ________ ________! 7. 我能帮你吗？ ________ I ________ you? 8. 给你。 ________ you ________. 9. 我爱你。 I ________ you. 10. 我想要一些玩具。 I want ________ ________. 练习八 句型综合改写（灵活运用训练） 1. 将句子改为复数句：I want a toy.（用 We 开头） ________________________________________________ 2. 将句子改为否定句：I want a book. ________________________________________________ 3. 同义句转换：What's your age?（用 How old 改写） ________________________________________________ 4. 用 I want 改写句子：I would like a car. ________________________________________________ 5. 对划线部分提问：I'm ten years old. ________________________________________________ 6. 将两个句子合并：Thank you. I love you.（合并为一句话） ________________________________________________ 7. 用 He 改写句子：I'm two now. ________________________________________________ 8. 对划线部分提问：I want some toys. ________________________________________________ 练习九 短文填空（语法运用·生日主题 共2篇） Passage 1（基础篇·贴合教材 Cartoon time） Today is Bobby's birthday. "Happy 1. ________, Bobby!" his friends say. "Thank you! I 2. ________ you," Bobby says. Bobby looks at the cake. "One, 3. ________. I'm 4. ________ now!" "What do you 5. ________, Bobby?" asks Tina. "I want a 6. ________. I want a book. I want a 7. ________..." Bobby says. "Bobby! We want the 8. ________!" his friends say. Bobby is very happy today. Passage 2（提升篇·贴合教材 Story time 拓展） Liu Tao and his dad are in a toy shop. Assistant: Hello! Can I 1. ________ you? Dad: Yes, please. I want some 2. ________ for my boys. Assistant: OK! How 3. ________ are you? Liu Tao: I'm 4. ________. Assistant: Please come here. Liu Tao: Cool! I love this robot. Assistant: How old are you? Taotao: 5. ________. I want this panda, please. Assistant: OK! 6. ________ you are. Taotao: 7. ________ you! Assistant: You're 8. ________. Dad: Happy Birthday, Taotao. Taotao: 9. ________, Dad! I 10. ________ you. 练习十 情景交际补全对话（语法+交际综合运用） 从方框中选择合适的句子补全对话，有两项多余。 ( A. How old are you? B. I want a car. C. Happy Birthday! D. Thank you! E. You're welcome. F. Can I help you? G. Here you are. ) A: 1. ________ B: Thank you! I love you. A: 2. ________ B: I'm two now. A: What do you want? B: 3. ________ A: OK. 4. ________ B: 5. ________ A: 6. ________ 参考答案 练习一 写出下列数字的英文形式 1. one 2. two 3. three 4. four 5. five 6. six 7. seven 8. eight 9. nine 10. ten 11. two 12. nine 练习二 用 am / is / are 填空 1. am 2. are 3. is 4. Are 5. is 6. are 7. am 8. is 9. are 10. Is 11. am 12. are 练习三 用所给词的适当形式填空 1. are 2. am 3. a 4. toys 5. Birthday 6. Thank 7. welcome 8. book 9. you 10. you 练习四 句子改错 1. is → am（I'm nine.） 2. How → How old（How old are you?） 3. want car → want a car 4. Thank you too → You're welcome 5. nince → nine 6. are you → you are（Here you are.） 7. Yes, I can → Yes, please 8. I'am → I'm 9. toy → toys 10. dad → Dad（Thanks, Dad!） 练习五 按要求改写句子 1. How old are you? 2. What do you want? 3. Are you two? 4. You're welcome. 5. I'm three. 6. I don't want a book. 7. Yes, please. I want some toys. 8. Thank you! 9. I'm nine. 10. Thank you! 11. What do you want? 12. Thank you! 练习六 单项选择 1.B 2.B 3.A 4.B 5.A 6.B 7.B 8.B 9.B 10.B 11.A 12.B 13.B 14.A 15.B 16.B 17.B 18.A 19.A 20.B 练习七 根据汉语提示完成句子 1. How old 2. I'm 3. want; car 4. Thank 5. You're 6. Happy Birthday 7. Can; help 8. Here; are 9. love 10. some toys 练习八 句型综合改写 1. We want some toys. 2. I don't want a book. 3. How old are you? 4. I want a car. 5. How old are you? 6. Thank you! I love you. 7. He's two now. 8. What do you want? 练习九 短文填空 Passage 1 1. Birthday 2. love 3. two 4. two 5. want 6. car 7. ball 8. cake Passage 2 1. help 2. toys 3. old 4. nine 5. Three 6. Here 7. Thank 8. welcome 9. Thanks 10. love 练习十 情景交际补全对话 1.C 2.A 3.B 4.G 5.D 6.E ( 第 1 页 共 16 页 ) 学科网（北京）股份有限公司 $