Unit 7 Doing chores at home Cartoon time知识点讲解（同步练）-2025-2026学年译林版（三起）英语四年级下册

新译林版4B Unit 7 Doing chores at home Cartoon time知识点讲解与练习 原句1：It's Sunday. Let's do some chores. 知识点讲解 1.It's Sunday. 句型：It's + 星期名词. 用于表达 “今天是星期几”，是小学英语最常用的时间表达句型。 拓展：星期名词首字母必须大写，常见搭配：on Sunday（在周日）、every Sunday（每个周日）。 2.Let's do some chores. Let's = Let us，句型 Let's do sth. 表示 “让我们做某事吧”，用于提出建议，后面必须跟动词原形。 do some chores = do housework，意为 “做家务”，是固定搭配。chore 是可数名词，常用复数形式。 拓展：some 用于肯定句，否定 / 疑问句中改为 any，如：We don't do any chores on weekends. 练习 ( ) 1. — What day is it today? — ____ A. It's sunny. B. It's Sunday. C. It's seven o'clock. ( ) 2. Let's ____ our homework together. A. do B. doing C. does 3.Let's ____ (clean) the classroom. 4.It's ____ (Monday) today. 5.I often do some ____ (chore) on Saturdays. 原句2：Bobby, what are you doing? / I'm washing the dishes. 知识点讲解 1.What are you doing? 句型：现在进行时的特殊疑问句，结构为 What + be动词(am/is/are) + 主语 + doing?，用于询问 “某人正在做什么”。 现在进行时：表示正在发生的动作，结构为 主语 + be动词(am/is/are) + 动词-ing形式。 对应回答：主语 + be动词 + 动词-ing + 其他.，如本句 I'm washing the dishes. 2.I'm washing the dishes. wash the dishes 是固定搭配，意为 “洗碗”，dish 用复数表示 “餐具”。 wash 的 - ing 形式：washing（直接加 - ing）。 拓展：同类家务短语：wash clothes（洗衣服）、wash the car（洗车）。 练习 ( ) 1. — What are you doing? — ____ A. I read a book. B. I'm reading a book. C. I reads a book. ( ) 2. My mother is ____ the dishes in the kitchen. A. wash B. washes C. washing 3.Look! The girl is ____ (wash) her clothes. 4.What ____ (be) you doing now? 5.He ____ (be) doing his homework. 原句3：Oh no! 知识点讲解 感叹语 Oh no! 用于表达惊讶、懊恼、失望等情绪，是口语中高频用法，对应中文 “哦不！/ 糟了！”。 同类表达：Oh my god! / Oh dear!（天啊！） 练习 ( ) 1. — I lost my new pen! — ____ A. Oh no! B. Good idea! C. Good job! ( ) 2. 当你不小心打碎杯子时，你会说： ____ A. Hello! B. Oh no! C. Goodbye! 3.Oh no! I ____ (forget) my homework. 4.Oh no! The cat is ____ (run) away. 5.Oh no! I can't ____ (find) my key. 原句4：What are you doing now? / I'm washing the clothes. 知识点讲解 1.What are you doing now? now 是现在进行时的标志性时间状语，意为 “现在”，强调动作正在进行。 结构和用法同第 2 句的现在进行时特殊疑问句。 2.I'm washing the clothes. wash the clothes 固定搭配，意为 “洗衣服”，也可表达为 do the laundry。 clothes 是复数名词，没有单数形式，不能说 a cloth 表示 “一件衣服”，正确表达：a piece of clothes。 练习 ( ) 1. — What are you doing ____? — I'm washing the clothes. A. yesterday B. now C. tomorrow ( ) 2. My sister often ____ clothes on Sundays. A. wash B. washes C. washing 3.My mother is ____ (wash) the clothes now. 4.What ____ (be) your brother doing now? 5.I ____ (be) cleaning my room now. 原句5：I'm watering the flowers. / You're watering the floor! 知识点讲解 1.I'm watering the flowers. 现在进行时结构：主语 + be + 动词-ing，water 在这里作动词，意为 “浇水”，不是名词 “水”。 water the flowers 固定搭配，意为 “浇花”。 water 的 - ing 形式：watering（直接加 - ing）。 2.You're watering the floor! You're = You are，现在进行时的主语为 you 时，be 动词用 are。 water the floor 结合语境理解为 “把水洒在地板上 / 给地板浇水”，是课文中的趣味表达。 拓展：floor 意为 “地板；楼层”，常见搭配：on the floor（在地板上）、on the second floor（在二楼）。 练习 ( ) 1. I'm ____ the flowers in the garden. A. water B. watering C. waters ( ) 2. — What is your grandpa doing? — ____ A. He waters the flowers. B. He is watering the flowers. C. He watered the flowers. 3.Look! The boy is ____ (water) the trees. 4.You ____ (be) making a mistake. 5.Don't ____ (water) the floor! 原句6：What a clean house! / Good job! 知识点讲解 1.What a clean house! 感叹句结构：What a/an + 形容词 + 可数名词单数!，用于表达强烈的赞美、感叹。 本句意为 “多么干净的房子啊！”，同义句：How clean the house is! 拓展：如果是不可数名词 / 复数名词，结构为 What + 形容词 + 名词!，如：What clean houses! 2.Good job! 口语高频表达，意为 “干得好！/ 做得棒！”，用于表扬、鼓励他人，同义表达：Well done! / Great! / Nice work! 练习 ( ) 1. ____ a beautiful day! A. What B. How C. What a ( ) 2. — I finished my homework! — ____ A. Oh no! B. Good job! C. Good idea! 3.What a ____ (love) dog! 4. ____ (What/How) delicious food! 5.Good ____ (job)! You are the best. 答案 原句1 1. B 2. A 3. clean 4. Monday 5. chores 原句2 1. B 2. C 3. washing 4. are 5. is 原句3 1. A 2. B 3. forgot（或 forget，一般现在时也可） 4. running 5. find 原句4 1. B 2. B 3. washing 4. is 5. am 原句5 1. B 2. B 3. watering 4. are 5. water 原句6 1. A 2. B 3. lovely 4. What 5. job 三、课文核心语法总结（现在进行时） 结构 用法 标志词 例句 肯定句：主语 + be (am/is/are) + 动词 - ing 表示正在发生的动作 now, look, listen I'm washing the dishes. 否定句：主语 + be + not + 动词 - ing 表示正在进行的否定 now, look, listen I'm not washing the dishes. 一般疑问句：Be + 主语 + 动词 - ing? 询问是否正在做某事 now, look, listen Are you washing the dishes? 特殊疑问句：What + be + 主语 + doing? 询问正在做什么 now, look, listen What are you doing? 学科网（北京）股份有限公司 $