Unit 2 Helping at home 核心语法（专项训练）-2026-2027学年外研版（三起）英语四年级上册

**基本信息** 聚焦Unit 2核心语法，以“家庭帮助”主题为载体，系统覆盖be动词、动词形式、频度副词及句型转换，构建从基础到综合的语法训练体系，提升语言应用与学习能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |be动词填空|10题|考查am/is/are主谓一致|从人称代词、指示代词等基础情境切入，建立be动词使用规则| |动词形式填空|10题|涉及let's+原形、三单、like+ing等|围绕“帮助活动”动词变化，构建动词形式应用链条| |频度副词填空|10题|区分often/usually等语义差异|结合日常活动频率，建立频度副词语境化理解| |单项选择|10题|综合考查语法点应用|整合前序知识点，实现单一到复合语法情境迁移| |句型转换|5题|训练一般疑问句、否定句等|从陈述句到句式转换，提升语法结构调控能力|

外研版四年级英语上册 Unit 2 Helping at home 核心语法专项训练 一、用 am / is / are 填空 1. I ______ helpful at home. 2. She ______ cleaning her room now. 3. He ______ a good boy. He helps his family. 4. They ______ washing clothes at home. 5. We ______ happy to help our parents. 6. This ______ a good habit. 7. You ______ very helpful. 8. My mum ______ busy every day. 9. These things ______ easy for me. 10. It ______ good to help at home. 二、用所给单词的适当形式填空 1. Let’s ______ (help) our parents. 2. I often ______ (clean) my room on weekends. 3. She likes ______ (wash) clothes. 4. My brother ______ (water) the flowers every day. 5. Can you ______ (cook) noodles? 6. They ______ (not like) doing housework. 7. We should ______ (tidy) our desk. 8. Helping others ______ (make) me happy. 9. Look! He is ______ (sweep) the floor. 10. I want ______ (help) my mum. 三、用 often / usually / sometimes / never 填空 1. I ______ help my mum. I help her every day. 2. He ______ washes clothes, not every day. 3. She ______ does housework. She is very lazy. 4. We ______ clean our room after school. 5. They ______ cook food on weekends. 6. My father ______ waters the flowers every morning. 7. I ______ sweep the floor, just once a week. 8. She ______ helps others. She is kind. 9. He ______ does housework. He always plays. 10. We ______ help at home on weekdays. 四、单项选择 ( ) 1. Let’s ______ our parents at home. A. help B. helps C. helping ( ) 2. He often ______ the floor at home. A. sweep B. sweeps C. sweeping ( ) 3. —What are you doing? —I’m ______ my room. A. clean B. cleaning C. cleans ( ) 4. My sister likes ______ clothes. A. wash B. washing C. washes ( ) 5. —Do you help at home? —______ A. Yes, I do. B. Yes, I am. C. No, I can’t. ( ) 6. Helping at home makes us ______. A. good B. well C. happily ( ) 7. She ______ cook food on weekdays. A. don’t B. doesn’t C. isn’t ( ) 8. Can you ______ the flowers? A. water B. waters C. watering ( ) 9. —______ do you help at home? —Usually on Sunday. A. What B. When C. Where ( ) 10. He is ______ helpful boy. A. a B. an C. / 五、句型转换 1. I often clean my room.（改为一般疑问句） ______ you often ______ your room? 2. He sweeps the floor at home.（改为否定句） He ______ ______ the floor at home. 3. I help my mum on Sunday.（对划线部分提问） ______ ______ you help your mum? 4. She is washing clothes now.（对划线部分提问） ______ ______ she doing now? 5. I can help my parents.（改为一般疑问句） ______ ______ help your parents? 参考答案 一、用 am / is / are 填空 1.am 2.is 3.is 4.are 5.are 6.is 7.are 8.is 9.are 10.is 二、用所给单词的适当形式填空 1.help 2.clean 3.washing 4.waters 5.cook 6.don’t like 7.tidy 8.makes 9.sweeping 10.to help 三、用 often / usually / sometimes / never 填空 1.often 2.sometimes 3.never 4.usually 5.sometimes 6.usually 7.sometimes 8.often 9.never 10.usually 四、单项选择 1.A 2.B 3.B 4.B 5.A 6.A 7.B 8.A 9.B 10.A 五、句型转换 1.Do; clean 2.doesn’t sweep 3.When do 4.What is 5.Can you 学科网（北京）股份有限公司 $