Unit 3 语法易错+巩固练习（导学案）新四年级英语暑假自学课（北京版·新教材）

北京版新四年级暑假自学课 Unit 3 Be a Nice Person 语法易错+巩固练习 语法易错01 语法点拨：情态动词 can /should 用法（礼貌请求、提出建议 / 规范行为） 一、概念 在日常交际、公共场合中，我们常用 Can...? 礼貌请求他人帮忙；用 should 提出行为建议、说明公共礼仪与规则。 Can 侧重请求许可、求助；should 意为 “应该”，用来提醒、劝导他人遵守礼貌与规则，二者后面均接动词原形。 二、句型结构： 三、本单元典型用语： · Would you do me a favour ? · May I use your bat? · Could you sweep the floor please, Baobao? ·We should stand in line and get on one by one. 知识演练一 1、 根据情境，选择正确的句子。 ( ) 1. 你想请同学帮忙，礼貌地说： A. Help me! B. Can you help me, please? C. I need help. ( ) 2. 提醒大家在公共场合不要推搡，应该说： A. You shouldn’t push. B. Push others. C. Don’t run. ( ) 3. 告诉同学上课应该保持安静，你会说： A. You should keep quiet. B. Keep running. C. You can talk loudly. ( ) 4. 别人向你求助，你乐意帮忙，回答： A. Sorry. B. No problem. C. Thank you. 二、用所给词的适当形式填空 5.— Can you ____________________ (open) the window? — Yes, I can. 6.You ____________________ (should) push others. (变否定) 7.We should ____________________ (be) polite to everyone. 8.— Should I stand in line? — Yes, you _________________________ (should). 语法易错02 语法点拨：祈使句（肯定句、否定句） 一、概念： 祈使句用来表示请求、命令、提醒、劝阻，主语通常省略，动词原形开头。 肯定祈使句：表示建议、指令； 否定祈使句：表示禁止、不要做某事，结构为 Don’t + 动词原形。 二、句型结构： 三、本单元典型句子： · Don’t push. · Don’t worry. ·Please go and get some. 知识演练二 一、根据情境，选择正确的答案。 ( ) 1. 请排队，应说： A. Stand in line. B. Standing in line. C. Stands in line. ( ) 2. 提醒别人不要大声喧哗，应说： A. Talk loudly. B. Don’t talk loudly. C. Not talk loudly. ( ) 3. — Please open the door. — ____ A. OK. B. Thanks. C. Sorry. ( ) 4. 下列哪一项是否定祈使句？ A. Please help me. B. Don’t run here. C. They run fast. 二、用所给动词的适当形式填空（祈使句） 5. ____________________ (Stand) in line, please. 6. ________________________ (not push) others. It’s not polite. 7.Please ____________________ (clean) the blackboard. 8.Don’t ________________ (talk) in class. 三、按要求改写句子（改为否定祈使句） 9.Open the window. → ________________ ________________ the window. 10.Talk loudly. → ________________ ________________ loudly. 重难点特训 一、写出下列句子的中文意思。 1.Can you help me, please? → ____________________________________________ 2.You should stand in line. → ____________________________________________ 3.Don’t push. → ____________________________________________ 4.Please keep quiet. → ____________________________________________ 二、单项选择 ( )1. — ____ you help me? — Sure. A. Can B. Am C. Do ( )2. You ____ be polite to your classmates. A. should B. can’t C. are ( )3. ____ push in the subway. It’s rude. A. Not B. Don’t C. No ( )4. Please ____ the door for me. A. open B. opens C. opening ( )5. — ____ I come in? — Yes, please. A. Can B. Am C. Are 三、用所给单词的适当形式填空 1.Can you ________ (sweep) the floor? 2.________ (not talk) loudly here. 3.We ________ (should) be quiet in the library. (变否定) 4.Please ________ (be) helpful to others. 5.Don’t ________ (run) in the classroom. 四、连词成句（注意大小写、标点） 1.help, can, me, you (?) _________________________________________________________________________________ 2.line, stand, in, please (.) _________________________________________________________________________________ 3.push, don’t, others (.) _________________________________________________________________________________ 4.should, we, polite, be (.) _________________________________________________________________________________ 五、句型转换 1.You should talk loudly. (改为否定句) You __________________ __________________ loudly. 2.Can you clean the room? (作肯定回答) __________________, __________________ __________________. 3.Stand in line. (改为否定祈使句) __________________ __________________ in line. 4.I can help you. (改为一般疑问句) __________________ __________________ help me? 六、【新考法・语言能力】阅读理解 判断正 (T) 误 (F) Being a nice person is important. We should follow public rules. When we go to the subway, we should stand in line and wait. Don’t push others. In class, don’t talk loudly. We should keep quiet. If your friend needs help, you can help him. Always be polite to people around you. ( )1. We should stand in line in the subway. ( )2. It’s good to push others. ( )3. We can talk loudly in class. ( )4. We should keep quiet in class. ( )5. We should be polite to others. 参考答案 知识演练一： 一、1.B  2.A  3.A  4.B 二、5. open  6. shouldn’t  7. be  8. should 知识演练二： 一、1.A  2.B  3.A  4.B 二、5.Stand 6.Don’t push 7.clean 8.talk 三、9.Don’t open 10.Don’t talk 重难点特训： 一、写出下列句子的中文意思。 1.请问你能帮我吗？ 2.你应该排队。 3.不要推搡。 4.请保持安静。 二、单项选择 1.A 2.A 3.B 4.A 5.A 三、词形填空 1.sweep 2.Don’t talk 3.shouldn’t 4.be 四、连词成句 1.Can you help me? 2.Stand in line, please. 3.Don’t push others. 4.We should be polite. 五、句型转换 1.shouldn’t talk 2.Yes, I can 3.Don’t stand 4.Can you 六、【新考法·语言能力】阅读判断 1.T 2.F 3.F 4.T 5.T 第 1 页 共 10 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $