Unit 4 Safety first 语法易错点（专项训练）-2026-2027学年译林版（三起）英语五年级上册

**基本信息** 聚焦情态动词should/shouldn’t，系统梳理基础结构与8大易错点，通过6类分层训练实现语法应用与错误辨析能力提升，助力语言能力与思维品质发展。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |核心语法+易错点梳理|8项易错点（含动词原形/人称变化等）|提炼“动词原形规则”“无人称变化”“否定缩写规范”等实用技巧|从基础结构（肯定/否定/疑问句）到高频易错点，再到情景应用与拓展（must），形成“概念-易错-应用”完整认知链| |专项易错训练|6类练习（单句改错/单选等共53题）|针对“动词形式错误”“情景区分”等设题，强化规则迁移|题型与易错点精准对应，单句改错聚焦语法错误修正，情景填空提升语境应用能力，构建“识别-修正-应用”训练闭环|

Unit 4 Safety first 语法易错点专项练习 2026-2027学年上学期 译林版五年级上册（三起新教材） 一、单元核心语法+易错点梳理 核心语法：情态动词 should / shouldn’t 1. 基础结构 肯定句：主语 + should + 动词原形（应该做某事） 否定句：主语 + shouldn’t + 动词原形（不应该做某事） 一般疑问句：Should + 主语 + 动词原形? 回答：Yes, 主语 should. / No, 主语 shouldn’t. 2. 高频易错1：should/shouldn’t 后面**只能加动词原形**，学生常加s/ing/过去式 错：You shouldn’t runs. 对：You shouldn’t run. 3. 高频易错2：should无人称变化，I/You/He/They后都直接用should，不加s 错：He shoulds stop. 对：He should stop. 4. 高频易错3：否定缩写 shouldn’t，不可写作shouldn、should nots 5. 高频易错4 情景区分：should（安全正确行为）；shouldn’t（危险、错误行为） 6. 介词易错搭配 on the road 马路（上）；in the classroom 在教室；on the pavement 在人行道；near the river 在河边 7. 固定安全短语易错 look out 小心；play football 踢足球；run quickly 快跑；cross the road 过马路；stay safe 保持安全 8. 句式易错：You must… 拓展（单元拓展同义规则句，易和should混淆） 二、专项易错训练 练习1 单句改错（每句仅有一处错误，划出并改正） 例：You shouldn’t runs on the road. runs → run 1. He shoulds look left first. ________ 2. We shouldn’t playing near the river. ________ 3. Should she crosses the road? ________ 4. You should nots run fast. ________ 5. They shouldn’t talks loudly in class. ________ 6. I should to stop at the red light. ________ 7. Should we plays on the pavement? ________ 8. She shouldn’t swims alone. ________ 9. You shoulds keep quiet. ________ 10. We shouldn’t to climb trees. ________ 练习2 单项选择（语法易错陷阱） ( ) 1. You ______ play on the road. It’s dangerous. A should B shouldn’t C isn’t ( ) 2. —______ I look left and right? —Yes, you ______. A Should; should B Shouldn’t; shouldn’t C Do; do ( ) 3. He ______ swim in the river alone. It’s not safe. A should B shouldn’t C can ( ) 4. We should ______ quiet in the library. A keep B keeps C keeping ( ) 5. —Should we run quickly here? —No, you ______. A should B shouldn’t C aren’t ( ) 6. Everyone ______ follow the traffic rules. A should B shoulds C shouldn’t ( ) 7. Don’t ______ on the grass. We shouldn’t do that. A walk B walks C walking ( ) 8. You ______ look out for cars when crossing roads. A shouldn’t B should C are ( ) 9. —Should they climb tall trees? —______ It’s dangerous. A Yes, they should. B No, they shouldn’t. C Yes, they can. ( )10. We play ______ the pavement, not the road. A on B in C at ( )11. He shouldn’t ______ football near the lake. A play B plays C playing ( )12. You ______ talk loudly in the reading room. A should B shouldn’t C can 练习3 用所给动词适当形式填空（核心陷阱：原形规则） 1. You should ________ (look) left before crossing. 2. We shouldn’t ________ (run) on the busy road. 3. Should she ________ (swim) in the swimming pool? 4. Everyone should ________ (follow) traffic rules. 5. They shouldn’t ________ (talk) in class. 6. Should we ________ (stop) at the red light? 7. He should ________ (keep) his desk clean. 8. We shouldn’t ________ (climb) high trees. 9. You shouldn’t ________ (play) with fire. 10. Should I ________ (walk) on the pavement? 练习4 句型转换（否定/疑问/划线提问，易错改写） 1. We should look out for cars.（改为否定句） ________________________________________________ 2. You should play on the pavement.（改为一般疑问句，并作否定回答） ________________________________________________ 3. They should cross the road carefully.（对划线部分提问） ________________________________________________ 4. He shouldn’t swim in the river.（改为肯定句） ________________________________________________ 5. We should stop at red lights.（改为一般疑问句，并作肯定回答） ________________________________________________ 练习5 should / shouldn’t 选词填空（情景辨析） 1. You ________ play football on the road. It’s dangerous. 2. We ________ look left and right before crossing. 3. Children ________ swim alone near rivers. 4. Everyone ________ follow school rules. 5. You ________ keep quiet in the library. 练习6 介词填空（on / in / near 地点介词易错专项） 1. Don’t run ________ the road. 2. We can walk ________ the pavement. 3. Don’t play ________ the river. 4. We read books ________ the classroom. 5. Don’t play ________ the grass. 参考答案 练习1 单句改错 1 shoulds → should 2 playing → play 3 crosses → cross 4 nots → not 5 talks → talk 6 to stop → stop 7 plays → play 8 swims → swim 9 shoulds → should 10 to climb → climb 练习2 单项选择 1.B 2.A 3.B 4.A 5.B 6.A 7.A 8.B 9.B 10.A 11.A 12.B 练习3 动词适当形式 1 look 2 run 3 swim 4 follow 5 talk 6 stop 7 keep 8 climb 9 play 10 walk 练习4 句型转换 1 We shouldn’t look out for cars. 2 Should we play on the pavement? No, we shouldn’t. 3 What should they do? 4 He should swim in the river. 5 Should we stop at red lights? Yes, we should. 练习5 选词填空 1 shouldn’t 2 should 3 shouldn’t 4 should 5 should 练习6 介词填空 1 on 2 on 3 near 4 in 5 on ( 第 1 页 共 6 页 ) 学科网（北京）股份有限公司 $