Unit 7 Doing chores at home Story 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 Story time知识点讲解与同步练习 1. 原句：It's Saturday. 知识点讲解 · 核心句型：It's + 星期 / 日期 / 时间，用于表达 “今天是星期几 / 几号 / 几点”。 · 星期用法：It's + 星期名称（首字母必须大写，前面不加 a/an/the），如 It's Monday/Tuesday。 · 拓展：询问星期的常用问句：What day is it today?（今天星期几？） · 易错点：星期单词首字母必须大写，不可小写；不可说 It's a Saturday。 练习 选择题 ( ) 1. —What day is it today? —_____ A. It's Monday. B. It's 9:00. C. It's May 1st. ( ) 2. 下列句子书写完全正确的是_____ A. it's sunDay. B. It's SunDay. C. It's Sunday. 用所给单词的适当形式填空 1.It _____(be) Saturday today. 2.Today _____(be) Sunday. 3.It _____(be) Friday yesterday. 2. 原句：Mum and Dad are doing chores. 知识点讲解 · 核心时态：现在进行时，结构为 主语 + be动词(am/is/are) + 动词-ing形式，表示现在正在进行的动作。 · 主语 Mum and Dad 是复数，be 动词用are；do的 - ing 形式为doing。 · 核心短语：do chores = 做家务，同义短语：do housework。 · 现在进行时标志词：now, look, listen, at the moment 等。 练习 选择题 ( ) 1. My parents _____TV now. A. watch B. are watching C. watches ( ) 2. —What are you doing? —_____ A. I do my homework. B. I am doing my homework. C. I did my homework. 用所给单词的适当形式填空 1.My sister _____(do) her homework now. 2.They _____(clean) the room at the moment. 3.Look! The boys _____(play) football. 3. 原句：Mum is cooking lunch. 知识点讲解 · 现在进行时结构：主语（单数 Mum）+ be 动词is + 动词 - ing 形式cooking。 · 动词 - ing 变化规则：cook 是一般动词，直接加-ing → cooking。 · 核心短语：cook lunch = 做午饭，同类表达：cook breakfast（做早饭）、cook dinner（做晚饭）。 练习 选择题 ( ) 1. My mother _____dinner in the kitchen now. A. cook B. is cooking C. cooks ( ) 2. —What is your mum doing? —_____ A. She cooks lunch. B. She is cooking lunch. C. She cooked lunch. 用所给单词的适当形式填空 1.My dad _____(cook) breakfast now. 2.Look! She _____(cook) noodles. 3.Listen! My grandma _____(cook) in the kitchen. 4. 原句：Dad is washing the clothes. 知识点讲解 · 现在进行时结构：主语（单数 Dad）+ be 动词is + 动词 - ing 形式washing。 · 动词 - ing 变化规则：wash 以不发音的e结尾？不，wash 是一般动词，直接加-ing → washing；以不发音e结尾的动词（如 make）要去e加-ing。 · 核心短语：wash the clothes = 洗衣服，同义表达：do the laundry。 练习 选择题 ( ) 1. My father _____clothes now. A. wash B. is washing C. washes ( ) 2. —What is your dad doing? —_____ A. He washes clothes. B. He is washing clothes. C. He washed clothes. 用所给单词的适当形式填空 1.My brother _____(wash) his shoes now. 2.They _____(wash) their hands now. 3.Look! The girl _____(wash) her dress. 5. 原句：Su Yang and I are also doing chores. 知识点讲解 · 现在进行时结构：主语（Su Yang and I，复数）+ be 动词are + 动词 - ing 形式doing。 · 副词also的用法：表示 “也”，放在be 动词之后、实义动词之前，如：I am also a student. / I also like apples。 · 主语Su Yang and I：并列主语，视为复数，be 动词用are。 练习 选择题 ( ) 1. I _____doing my homework now. A. am also B. also am C. also is ( ) 2. My sister and I _____doing housework. A. am also B. are also C. also are 用所给单词的适当形式填空 1.I _____(do) my homework now. 2.They _____(also, clean) the room. 3.She _____(also, cook) dinner. 6. 原句：We're part of the family, so we want to help. 知识点讲解 · 核心短语：part of the family = 家庭的一员，part of 表示 “…… 的一部分”。 · 连词so的用法：表示 “所以”，连接因果关系的句子，前因后果。 · 固定搭配：want to do sth. = 想要做某事，to后接动词原形。 练习 选择题 ( ) 1. I want _____my mom. A. help B. to help C. helping ( ) 2. It's raining, _____I stay at home. A. so B. but C. and 用所给单词的适当形式填空 1.I want _____(help) my dad. 2.She wants _____(wash) the clothes. 3.We are part of the _____(family). 7. 原句：Su Yang is watering the flowers. 知识点讲解 · 现在进行时结构：主语（单数 Su Yang）+ be 动词is + 动词 - ing 形式watering。 · 动词 - ing 变化规则：water 是一般动词，直接加-ing → watering。 · 核心短语：water the flowers = 浇花，water 在此作动词，意为 “浇水”。 练习 选择题 ( ) 1. Su Yang _____flowers now. A. water B. is watering C. waters ( ) 2. —What is Su Yang doing? —_____ A. She waters flowers. B. She is watering flowers. C. She watered flowers. 用所给单词的适当形式填空 1.My sister _____(water) the plants now. 2.They _____(water) the trees now. 3.Look! The boy _____(water) the flowers. 8. 原句：What am I doing? 知识点讲解 · 现在进行时的特殊疑问句：疑问词 What + be 动词 (am/is/are) + 主语 + 动词 - ing 形式，用于询问 “某人正在做什么”。 · 主语I对应的 be 动词是am，不可用is/are。 · 答句结构：主语 + be 动词 + 动词 - ing 形式 + 其他。 练习 选择题 ( ) 1. —What am I doing? —_____ A. You are reading. B. I am reading. C. You read. ( ) 2. —What _____you doing? A. am B. is C. are 用所给单词的适当形式填空 1.What _____(be) you doing? 2.What _____(be) he doing? 3.What _____(be) she doing? 9. 原句：I'm making the bed. 知识点讲解 · 现在进行时结构：主语I + be 动词am（缩写为 I'm）+ 动词 - ing 形式making。 · 动词 - ing 变化规则：make 以不发音的e结尾，去e加-ing → making。 · 核心短语：make the bed = 整理床铺，固定搭配，不可省略the。 练习 选择题 ( ) 1. I _____the bed now. A. make B. am making C. makes ( ) 2. —What are you doing? —_____ A. I make the bed. B. I am making the bed. C. I made the bed. 用所给单词的适当形式填空 1.I _____(make) the bed now. 2.She _____(make) the bed now. 3.Look! They _____(make) the bed. 10. 原句：It's half past twelve. 知识点讲解 · 时间表达法：half past + 基数词 = 几点半，如 half past twelve = 12 点半，half past three = 3 点半。 · 核心句型：It's + 时间，用于表达 “现在是几点”。 · 拓展：12 点半也可写作 12:30，口语中常用 half past twelve。 练习 选择题 ( ) 1. —What time is it? —_____ A. It's half past twelve. B. It's Saturday. C. It's May 1st. ( ) 2. 3 点半的正确表达是_____ A. half past three B. half three past C. three half past 用所给单词的适当形式填空 1.It _____(be) half past twelve now. 2.It _____(be) half past three yesterday. 3.It _____(be) half past nine now. 11. 原句：It's after lunch. 知识点讲解 · 核心短语：after lunch = 午饭后，after 表示 “在…… 之后”。 · 同类表达：after breakfast（早饭后）、after dinner（晚饭后）、after school（放学后）。 · 注意：lunch 前不加the，固定搭配。 练习 选择题 ( ) 1. I read books _____lunch. A. after B. before C. at ( ) 2. _____dinner, I watch TV. A. After B. Before C. At 用所给单词的适当形式填空 1.I do my homework _____(after) school. 2.She reads books _____(after) dinner. 3.They play football _____(after) class. 12. 原句：Mum is cleaning the table. 知识点讲解 · 现在进行时结构：主语（单数 Mum）+ be 动词is + 动词 - ing 形式cleaning。 · 动词 - ing 变化规则：clean 是一般动词，直接加-ing → cleaning。 · 核心短语：clean the table = 擦桌子，同类表达：clean the room（打扫房间）、clean the window（擦窗户）。 练习 选择题 ( ) 1. My mother _____the table now. A. clean B. is cleaning C. cleans ( ) 2. —What is your mum doing? —_____ A. She cleans the table. B. She is cleaning the table. C. She cleaned the table. 用所给单词的适当形式填空 1.My dad _____(clean) the window now. 2.They _____(clean) the room now. 3.Look! The girl _____(clean) the table. 13. 原句：Su Yang is washing the dishes. 知识点讲解 · 现在进行时结构：主语（单数 Su Yang）+ be 动词is + 动词 - ing 形式washing。 · 核心短语：wash the dishes = 洗碗，dishes 必须用复数，因为碗不止一个。 · 同义表达：do the dishes。 练习 选择题 ( ) 1. Su Yang _____dishes now. A. wash B. is washing C. washes ( ) 2. —What is Su Yang doing? —_____ A. She washes dishes. B. She is washing dishes. C. She washed dishes. 用所给单词的适当形式填空 1.My brother _____(wash) the dishes now. 2.They _____(wash) the dishes now. 3.Look! The girl _____(wash) the dishes. 14. 原句：I'm feeding our cat. 知识点讲解 · 现在进行时结构：主语I + be 动词am（缩写为 I'm）+ 动词 - ing 形式feeding。 · 动词 - ing 变化规则：feed 以不发音的e结尾，去e加-ing → feeding。 · 核心短语：feed the cat = 喂猫，feed 作动词，意为 “喂养”。 练习 选择题 ( ) 1. I _____my cat now. A. feed B. am feeding C. feeds ( ) 2. —What are you doing? —_____ A. I feed my cat. B. I am feeding my cat. C. I fed my cat. 用所给单词的适当形式填空 1.I _____(feed) my dog now. 2.She _____(feed) the bird now. 3.Look! The boy _____(feed) the cat. 15. 原句：Our home is clean and nice now. 知识点讲解 · 形容词用法：clean（干净的）和nice（整洁的、漂亮的）是并列形容词，修饰名词home。 · 核心句型：主语 + be 动词 + 形容词，用于描述事物的状态。 · 副词now的用法：表示 “现在”，常用于一般现在时或现在进行时。 练习 选择题 ( ) 1. Our room _____clean and nice. A. am B. is C. are ( ) 2. The house is _____now. A. clean and nice B. clean but nice C. clean or nice 用所给单词的适当形式填空 1.Our home _____(be) clean now. 2.The room _____(be) nice now. 3.The house _____(be) clean and tidy now. 16. 原句：We have a busy weekend, but we all feel happy. 知识点讲解 · 连词but的用法：表示 “但是”，连接转折关系的句子。 · 代词all的用法：表示 “全部、都”，放在实义动词feel之前、be 动词之后，如 We are all happy. / We all feel happy。 · 核心短语：have a busy weekend = 度过一个忙碌的周末，have 表示 “度过”。 · 感官动词feel：后接形容词happy，表示 “感到开心”。 练习 选择题 ( ) 1. We are tired, _____we are happy. A. and B. but C. so ( ) 2. We _____feel happy. A. all B. both C. either 用所给单词的适当形式填空 1.We _____(have) a busy weekend. 2.We all _____(feel) happy. 3.They _____(have) a nice holiday, but they are tired. 参考答案 1. It's Saturday. 选择题：1.A 2.C 填空题：1.is 2.is 3.was 2. Mum and Dad are doing chores. 选择题：1.B 2.B 填空题：1.is doing 2.are cleaning 3.are playing 3. Mum is cooking lunch. 选择题：1.B 2.B 填空题：1.is cooking 2.is cooking 3.is cooking 4. Dad is washing the clothes. 选择题：1.B 2.B 填空题：1.is washing 2.are washing 3.is washing 5. Su Yang and I are also doing chores. 选择题：1.A 2.B 填空题：1.am doing 2.are also cleaning 3.is also cooking 6. We're part of the family, so we want to help. 选择题：1.B 2.A 填空题：1.to help 2.to wash 3.family 7. Su Yang is watering the flowers. 选择题：1.B 2.B 填空题：1.is watering 2.are watering 3.is watering 8. What am I doing? 选择题：1.A 2.C 填空题：1.are 2.is 3.is 9. I'm making the bed. 选择题：1.B 2.B 填空题：1.am making 2.is making 3.are making 10. It's half past twelve. 选择题：1.A 2.A 填空题：1.is 2.was 3.is 11. It's after lunch. 选择题：1.A 2.A 填空题：1.after 2.after 3.after 12. Mum is cleaning the table. 选择题：1.B 2.B 填空题：1.is cleaning 2.are cleaning 3. is cleaning 13. Su Yang is washing the dishes. 选择题：1.B 2.B 填空题：1.is washing 2.are washing 3.is washing 14. I'm feeding our cat. 选择题：1.B 2.B 填空题：1.am feeding 2.is feeding 3.is feeding 15. Our home is clean and nice now. 选择题：1.B 2.A 填空题：1.is 2.is 3. is 16. We have a busy weekend, but we all feel happy. 选择题：1.B 2.A 填空题：1.have 2.feel 3.have 学科网（北京）股份有限公司 $