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仁爱科普版·七年级英语下册期中复习
——考点7：should / shouldn't 表示建议和劝告
本考点源自Unit 8 “Our Blue Planet”。在日常生活中，我们经常需要给别人提出建议或劝告，比如“你应该多喝水”“你不应该浪费电”。should和shouldn't就是用来表达这种语气的。掌握它们，你就能成为贴心的小建议家！
一个小故事：
小明的妈妈看到小明总是忘记关灯，就对他说：“You should turn off the lights when you leave the room.”（你离开房间时应该关灯。）小明不好意思地点头。后来他看到同学在河边乱扔垃圾，就对同学说：“You shouldn't throw rubbish into the river.”（你不应该往河里扔垃圾。）同学听了觉得有道理，捡起了垃圾。小明用should和shouldn't帮助了别人，也改变了自己。
一、should / shouldn't 的基本用法
should 意为“应该”，用来提出建议、劝告，或表示责任、义务。
shouldn't = should not，意为“不应该”，用来表示反对或劝告不要做某事。
You should drink more water. (你应该多喝水。)
You shouldn't stay up too late. (你不应该熬夜太晚。)
句型结构：
肯定句：主语 + should + 动词原形 + 其他.
否定句：主语 + shouldn't + 动词原形 + 其他.
疑问句：Should + 主语 + 动词原形 + 其他
Should I take an umbrella (我应该带伞吗？)
Yes, you should. / No, you shouldn't.
二、should / shouldn't 的常见使用场景
1. 健康建议
You should eat more vegetables. (你应该多吃蔬菜。)
You shouldn't eat too much junk food. (你不应该吃太多垃圾食品。)
2. 环保建议（Unit 8 重点）
We should save water and turn off the tap. (我们应该节约用水，关掉水龙头。)
We shouldn't waste electricity. (我们不应该浪费电。)
We should plant more trees. (我们应该多植树。)
3. 学习建议
You should listen to the teacher carefully in class. (你应该在课堂上认真听讲。)
You shouldn't copy others' homework. (你不应该抄别人的作业。)
4. 日常礼貌
You should say “thank you” when someone helps you. (别人帮你时应该说谢谢。)
You shouldn't talk loudly in the library. (你不应该在图书馆大声说话。)
三、should / shouldn't 与 must / have to 的区别
should 表示“应该”，语气较弱，建议性，不做可能也没关系，只是不够好。
must 表示“必须”，语气强烈，强制性，不做会有后果。
have to 表示“不得不”，客观要求，外界压力。
You should see a doctor. (建议)
You must stop at the red light. (强制规则)
I have to finish my homework today. (客观要求)
should/shouldn't 记忆口诀：
should 应该做，shouldn't 不应该。
建议劝告语气柔，动词原形跟在后。
环保学习与健康，事事用它来开口。
四、经典例题解析
例1： You look tired. You ______ go to bed early.
A. should B. shouldn't C. can D. may
解析： 看起来累了，建议早睡。答案：A
例2： You ______ waste water. It's important for life.
A. should B. shouldn't C. must D. can
解析： 不应该浪费水。答案：B
例3： — Should I turn off the lights when I leave — Yes, you ______.
A. should B. shouldn't C. do D. can
解析： 肯定回答用Yes, you should. 答案：A
五、分层练习（共35题，难度逐级上升）
L1 基础填空 · 用 should 或 shouldn't 填空（每题1分，共10分）
1. You look pale. You ______ see a doctor.
2. You ______ waste food. Many people are hungry.
3. We ______ save water by turning off the tap.
4. You ______ talk loudly in the library.
5. Students ______ listen to the teacher carefully.
6. You ______ stay up too late. It's bad for your health.
7. We ______ plant more trees to make the air clean.
8. You ______ throw rubbish on the ground.
9. You ______ say “thank you” when someone helps you.
10. We ______ recycle paper and glass to protect the environment.
L2 单项选择 · 根据语境选择正确的答案（每题2分，共12分）
1. You look tired. You ______ go to bed early.
A. should B. shouldn't C. can D. may
2. You ______ waste water. It's important for life.
A. should B. shouldn't C. must D. can
3. — Should I turn off the lights when I leave — Yes, you ______.
A. should B. shouldn't C. do D. can
4. We ______ recycle paper and glass to protect the environment.
A. should B. shouldn't C. could D. may
5. You ______ eat too much sugar. It's bad for your teeth.
A. should B. shouldn't C. must D. can
6. You ______ take an umbrella. It's going to rain.
A. should B. shouldn't C. may D. can
L3 句型转换 · 按要求改写句子（每题2分，共10分）
1. You should drink more water. (改为否定句)
________________________________________________
2. We should waste water. (改为否定句)
________________________________________________
3. Should I take a rest (作肯定回答)
________________________________________________
4. You should go to school on time. (改为一般疑问句)
________________________________________________
5. We should turn off the lights. (对划线部分提问)
________________________________________________
L4 完成句子 · 根据汉语提示填空（每题2分，共10分）
1. 你应该多喝水。
You ______ drink more water.
2. 你不应该在图书馆里大声说话。
You ______ talk loudly in the library.
3. 我们应该植树来保护环境。
We ______ plant trees to protect the environment.
4. 离开房间时你应该关灯吗？
______ I ______ off the lights when I leave the room
5. 我们不应该浪费电。
We ______ waste electricity.
L5 改错题 · 找出错误并改正（每题2分，共10分）
1. You shouldn't to stay up late.
2. We should saving water.
3. Should I to take an umbrella
4. You shouldn't waste foods.
5. We should plants more trees.
L6 语篇填空 · 用 should 或 shouldn't 完成短文（每空1分，共8分）
The Earth is our home. We ______ (1) protect it. First, we ______ (2) save water. We ______ (3) waste it. Second, we ______ (4) turn off the lights when we leave a room. We ______ (5) waste electricity. Third, we ______ (6) recycle paper, glass and plastic. We ______ (7) throw them away. Finally, we ______ (8) plant more trees to make the air clean. Let's take action now!
L7 情景交际 · 根据情景写出合适的句子（每题2分，共10分）
1. 你的朋友看起来很累。你想建议他早点睡觉，怎么说？
________________________________________________
2. 你的同学在浪费水。你想劝告他不要浪费水，怎么说？
________________________________________________
3. 你想建议大家一起植树，怎么说？
________________________________________________
4. 朋友问你离开房间时是否应该关灯，你肯定地回答。
________________________________________________
5. 你想告诉弟弟不应该在图书馆里大声说话，怎么说？
________________________________________________
参考答案
L1 基础填空：
1. should 2. shouldn't 3. should 4. shouldn't 5. should 6. shouldn't 7. should 8. shouldn't 9. should 10. should
L2 单项选择：
1. A 2. B 3. A 4. A 5. B 6. A
L3 句型转换：
1. You shouldn't drink more water.
2. We shouldn't waste water.
3. Yes, you should.
4. Should I go to school on time
5. What should we do
L4 完成句子：
1. should 2. shouldn't 3. should 4. Should; turn 5. shouldn't
L5 改错题：
1. 去掉to (shouldn't stay up) 2. saving → save 3. 去掉to (Should I take) 4. foods → food 5. plants → plant
L6 语篇填空：
1. should 2. should 3. shouldn't 4. should 5. shouldn't 6. should 7. shouldn't 8. should
L7 情景交际：
1. You should go to bed early.
2. You shouldn't waste water.
3. We should plant more trees.
4. Yes, you should.
5. You shouldn't talk loudly in the library.
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