Unit 4 Safety first语法易错+巩固练习（导学案）新五年级英语暑假自学课（译林版三起·新教材）

五年级上册暑假自学课（译林版三起） Unit 4 Safety first 语法易错+巩固练习 语法易错01 情态动词 should的用法 should是情态动词，意为“应该，应当”，没有人称和数的变化，should后接动词原形，其句型结构如下： 1.肯定句：主语+ should+动词原形+其他。 例：You should warm first, Willy.威利，你得先热身。 2.否定句：主语+ shouldn't+动词原形+其他。 含should的否定句，直接在should后加not,可缩写为shouldn't,意为“不应该”。 例: You shouldn't eat too many sweets. They are bad for your teeth. 你不应该吃太多糖果。它们对你的牙齿有害。 3.一般疑问句：Should+主语+动词原形+其他？ 肯定回答：Yes,主语+ should. 否定回答：No,主语+ shouldn't. 例:—Should I water the flowers?我应该浇花吗？ —Yes, you should./ No, you shouldn't.是的，你应该。/不，你不应该。 4.特殊疑问句：特殊疑问词+should+主语+动词原形+其他？ 答语：主语+ should+动词原形+其他。 例:—What should I do?我应该做什么? —You should have a rest.你应该休息。 知识演练01 一、用所给单词的适当形式填空。 1.—What should the man ________(do)? —He should ________(have) some water. 2. The boy ________(should) eat or drink after meals. He is too fat. 3. ________(should) her sister ________(brush) her teeth? 4. We shouldn't have ________(some) sweets if we have a toothache. 5. They ________(should) shout in class. 二、单项选择。 ( )1. The boy shouldn't __________ in the library. A. shouts B. shout C. shouting ( )2. You're tired. You __________ have a rest. A. should B. shouldn't C. can't ( )3. We __________ give our seats to the old people when we are on a bus. A. should B. can't C. shouldn't ( )4.—My uncle has a fever. Should he__________ medicine? —Yes, he should. A. taking B. take C. takes ( )5. Sam shouldn't __________ or run in the library. He shouldn't sleep __________. A. talk; too B. talking; either C. talk; either 三、按要求完成下列各题。 1. You should drink some warm water. (改为一般疑问句，并作否定回答) —__________ __________ drink __________ warm water? —No, you __________. 2. Tim should eat some sweets.(改为否定句) Tim __________ eat __________ sweets. 3. You can't take any medicine. (用should代替can't改写句子) You __________ take __________ medicine. 4. He should put on his jacket.(对画线部分提问) __________ should he __________? 5. You should go to school early.(改为同义句) You __________ go to school __________. 6. grandma, home, my,a, should, rest, have, at(.) (连词成句) ____________________________________________________________ 重难点特训 一、单项选择。 ( )1. You __________ brush your teeth twice a day. A. should B. shouldn't C. can ( )2. We __________ waste water. We __________ save water. A. should; shouldn't B. shouldn't; should C. can; can't ( )3. __________ I take some medicine? A. Do B. Should C. Am ( )4. He has a fever. He __________ drink some warm water. A. should B. shouldn't C. mustn't ( )5. You __________ cross the road when the light is red. A. should B. can C. shouldn't ( )6. What __________ I do for my cold? A. should B. am C. do ( )7. They __________ be quiet in the library. A. shouldn't B. should C. can't ( )8. __________ she eat too much candy? No, she __________. A. Should; shouldn't B. Do; don't C. Can; can't ( )9. We __________ plant more trees to keep our city green. A. should B. shouldn't C. mustn't ( )10. My brother has a toothache. He __________ see a dentist. A. should B. shouldn't C. can ( )11. You __________ play football in the street. It's dangerous. A. should B. shouldn't C. can ( )12. __________ we reuse plastic bags? Yes, we __________. A. Should; should B. Do; do C. Are; are ( )13. The students __________ listen to the teacher carefully in class. A. shouldn't B. should C. can't ( )14. What __________ they do to protect the Earth? A. should B. are C. will ( )15. He is tired. He __________ go to bed early. A. should B. shouldn't C. can't ( )16. You __________ talk loudly in the hospital. A. should B. shouldn't C. must ( )17. __________ I wait for you here? A. Should B. Am C. Do ( )18. We __________ help old people cross the road. A. should B. shouldn't C. can't ( )19. She has a headache. She __________ watch TV too much. A. should B. shouldn't C. can ( )20. __________ the children play computer games for a long time? No, they __________. A. Should; shouldn't B. Can; can't C. Do; don't 二、按要求改写句子。 A) 改为否定句 1.You should drink some cold water. → You __________ __________ __________ cold water. 2.We should eat too much meat. → We __________ __________ too much meat. 3.He should go to school today. → He __________ __________ to school today. B) 改为一般疑问句并作肯定/否定回答 4.They should clean their classroom. → __________ they __________ their classroom? → Yes, __________ __________. 5.I should take a rest. → __________ __________ take a rest? → No, __________ __________. 6.We should plant trees in spring. → __________ __________ plant trees in spring? → Yes, __________ __________. C) 对划线部分提问 7.You should see a doctor. → __________ __________ I __________? 8.He should drink some warm water. → __________ __________ he __________? 9.They should go to bed early. → __________ __________ they __________ to bed? 10.We should protect the Earth. → __________ __________ we __________? 参考答案 知识演练01 一、1.do 2.have 3.Should, brush 4.any 5.shouldn’t 二、1. B 解析：shouldn't后接动词原形，故选B. 2. A解析：根据“You're tired.”推知，应该休息，所以用“should”, 故选A. 3. A解析：在公交车上应该给老人让座，故选A. 4. B 解析：should后接动词原形，故选B. 5. C 解析：shouldn't后接动词原形，一空为talk；两个句子都是否定句，表示“也”要用either, 故选C. 三、1. Should I; any; shouldn't 2. shouldn't; any 3. should; some 4. What; do 5. shouldn't; late 6. My grandma should have a rest at home. 重难点特训参考答案 一、1.A 2. B 3. B 4. A 5. C 6. A 7. B 8. A 9. A 10. A 11.B 12. A 13. B 14. A 15. A 16. B 17. A 18. A 19. B 20. A 二、句型转换 A) 否定句 1.shouldn't drink any 2. shouldn't eat 3. shouldn't go B) 一般疑问句及回答 4.Should; clean; they should 5. Should I; I shouldn't 6. Should we; we should C) 对划线部分提问 7.What should; do 8. What should; drink 9. When should; go 10. What should; protect 第 1 页 共 7 页 学科网（北京）股份有限公司 $