Let引导的祈使句（专项训练）-2025-2026学年沪教版英语四年级下册

**基本信息** 聚焦Let引导祈使句核心结构，通过句型解析-易错对比-分层练习构建系统训练体系，强化语言应用与规则迁移能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |知识点梳理|3类核心句型+4个易错案例|结构解析（宾格+动词原形）、易错点对比（错误案例纠正）、答句策略（同意/拒绝表达）|核心句型→分类应用（Let's/Let me）→变式拓展（否定/疑问/人称转换）| |基础练习|填空15题+选择15题+句子转换15题|语境化语法应用（人称代词格/动词形式判断）、情境应答训练|从单一句型填空到情境对话转换，实现从规则记忆到语言能力的提升|

U7 Let 引导的祈使句 一、知识点梳理 1. 核心句型结构 ✅ Let sb. do sth. （让某人做某事） 结构解析： Let 是动词，后面要接人称代词的宾格（me/you/him/her/us/them） 动词必须用原形，不能加 s、ing 或 to 例句： Let me help you. （让我帮你。） Let's go to the park. （= Let us go to the park. 让我们去公园吧。） 句型 含义 用法 例句 Let sb. do sth. 让某人做某事 后接宾格 + 动词原形 Let him clean the blackboard. Let's do sth. 让我们一起做某事（包括说话双方） 后接动词原形 Let's make a fruit salad. Let me do sth. 让我来做某事 后接动词原形 Let me make a cake for you. 常用答句 当别人用 Let's... 提出建议时，常用回答： 表示同意：OK. / All right. / Great! / Good idea! / Sure. 表示拒绝（礼貌）：Sorry, I'm busy. 2.易错点提醒 ❌ 错误：Let he go. / Let's goes. ✅ 正确：Let him go. / Let's go. Let 后面的人称代词必须用宾格（he→him, she→her, we→us） Let 后面的动词必须用原形，不管主语是第几人称 基础练习 一、用所给词的适当形式填空 1. — Let ______ (I) have a look. — Here you are. 2. Let’s ______ (go) and ______ (play) basketball. 3. Let him ______ (have) a birthday cake now. 4. Let’s ______ (make) a fruit salad together. 5. Let ______ (she) sing a song for us. 6. Let’s ______ (clean) the classroom after school. 7. Let ______ (they) help the old man cross the road. 8. Let me ______ (draw) a picture for you. 9. Let’s ______ (buy) some apples in the supermarket. 10. Let ______ (we) go to the zoo this Sunday. 11. Let her ______ (dance) at the party. 12. Let’s ______ (finish) our homework first. 13. Let ______ (he) carry the heavy box. 14. Let me ______ (tell) you a story. 15. Let’s ______ (not play) computer games too long.（拔高：Let's 的否定形式） 参考答案 一、用所给词的适当形式填空 1.me 2.go; play 3.have 4.make 5.her 6.clean 7.them 8.draw 9.buy 10.us 11.dance 12.finish 13.him 14.tell 15.not play 二、单项选择 ( ) 1. — Sam, I’m hungry. — Let’s ______ the snack bar, Bobby. A. go B. go to C. to go ( ) 2. — I can’t do it. — Let ______ help you. A. we B. us C. our ( ) 3. — Let’s go to the zoo. — ______ A. Yes, you can. B. Yes, we can. C. OK. ( ) 4. — Let’s ______ a cake together, Mary. — Great! A. makes B. make C. making ( ) 5. Let ______ play football after class. A. we B. us C. our ( ) 6. — Let’s watch cartoons. — ______ A. Good idea! B. Thank you. C. You’re welcome. ( ) 7. Let ______ clean the blackboard. A. he B. his C. him ( ) 8. Let’s ______ to the library now. A. go B. goes C. going ( ) 9. — I’m tired. — Let ______ sit down and rest. A. we B. us C. our ( ) 10. Let’s ______ some juice. I’m thirsty. A. drink B. drinks C. drinking ( ) 11. Let ______ help you with your English. A. I B. me C. my ( ) 12. — Let’s play basketball after school. — ______ I have to do my homework first. A. OK. B. Good idea! C. Sorry. ( ) 13. Let her ______ the door. It’s hot. A. open B. opens C. opening ( ) 14. Let’s ______ to the park this weekend. A. goes B. go C. going ( ) 15. — Let’s make a puppet. — ______ A. No, I don’t. B. Great! C. Yes, I do. 三、按要求写句子 1. 同学建议你和他一起做蛋糕，你可以回答：____________________（写出一句合适的答句） 2. 放学了，好朋友邀请你一起踢足球，他会说：____________________（用 Let 句型写） 3. 你想邀请同学一起打篮球，可以说：____________________（用 Let 句型写） 4. Let's go to the zoo together.（改为否定句，提示：Let's not...） 5. Let me help you.（改为一般疑问句） 6. — Let’s read books in the library.（写出一句同意的答句） 7. — Let’s play computer games.（写出一句礼貌拒绝的答句） 8. Let him clean the classroom.（改为 Let 句型的复数形式，即 “让他们打扫教室吧”） 9. Let’s sing a song together.（对划线部分提问，划线部分：sing a song） 10. Let me make a cake for you.（改为一般疑问句） 11. 你想让朋友和你一起看电影，可以说：____________________（用 Let 句型写） 12. 你想让妈妈帮你拿书包，可以说：____________________（用 Let 句型写） 13. Let's have a party this weekend.（改为否定句） 14. — Let’s go swimming this afternoon.（写出一句同意的答句） 15. Let her draw a picture.（改为 Let 句型的第一人称形式，即 “让我画一幅画吧”） 参考答案 二、单项选择 1 学科网（北京）股份有限公司 1.B 2. B 3. C 4. B 5. B 6.A 7. C 8. A 9. B 10. A 11.B 12. C 13. A 14. B 15. B 三、按要求写句子（参考示例） 1. Good idea! / OK. / Great!（合理即可） 2. Let's play football after school. 3. Let's play basketball together. 4. Let's not go to the zoo together. 5. Let me help you?（或更规范的：Will you let me help you? 小学阶段用 Let me help you? 即可） 6. Good idea! / OK. / All right. 7. Sorry, I have to do my homework first.（合理即可） 8. Let them clean the classroom. 9. What shall we do together? / What do you want to do together?（小学阶段可用：What do we do together?） 10. Let me make a cake for you? 11. Let's go to the cinema together. 12. Let Mum help me get my schoolbag.（合理即可） 13. Let's not have a party this weekend. 14. OK. / Good idea! / Great! 15. Let me draw a picture. $