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1、Unit 1 语法篇_学生通过本讲学习，能够掌握本单元的重点语法，并在综合能力上有一定的拓展。should的用法：1. 用于第一人称疑问句，表征询意见。如：Should I open the window? 我可以开窗户吗？2. should表义务或提建议，可用于各种句式，通常指将来。如：You should do what your parents tell you.你应该照你父母的话去做事。He should do some work, but he doesnt want to.他应该做些工作，但是他不想做。也可指现在。如：You shouldnt feel so unhappy ove
2、r such trifles.对这种小事，你不应该感到这么不高兴。You shouldnt be sitting in the sun.你不应该坐在阳光下。3. should表推测，暗含很大的可能。如：Its 4:30. They should be in New York by now.现在是四点半，他们应该到达纽约了。Three weeks should suffice.三个星期应该足够了。4. should可在某些从句中，表虚拟语气。如：I suggest that you should stay here as if nothing had happened.我建议你应该待在这儿，好像
3、什么事也没有发生。She was terrified lest they should go on talking about her.她感到害怕，唯恐他们再说她的事。If he should drop in, give him my message.他若来访，就将我的消息给他。5. should表感情色彩，常用在以why, how开头的疑问句中。如：Why shouldnt you invite him?为什么你不邀请他？I dont see why we shouldnt make friends.我不明白为什么我们竟不能成为朋友。How should I know? 我怎么知道？在tha
4、t引导的从句中，should也可表惋惜、忧虑、欢乐、惊讶等感情色彩。如：Im sorry that you should think so badly of me.你竟把我想得这样坏，我感到遗憾。It is absurd that such things should happen to a family like theirs.真可笑，这种事竟发生在他们那样的家庭中。should还用于一些特殊结构，表感情色彩。如：That it should come to this!事情竟到了这种地步！To think that it should have happened to me! 谁想到这种事竟
5、发生在我身上！ 1. Laura, you eat too much junk food. Its bad for your health. A. canB. mayC. needntD. shouldnt2. You talk loudly at the movie theatre. Thats impolite. A. couldntB. wouldntC. shouldntD. mightnt3. - I dont care what my teachers think.- Well, you . A. couldB. wouldC. shouldD. might4. We use mo
6、bile phones when the plane takes off. A. may notB. shouldntC. needntD. mustnt5. - How to be a good English learner?- You read English for about half an hour in the morning. A. shouldntB. shouldC. dontD. do解析：1. 本题题意为你不应该吃太多的垃圾食品，故选D。2. 本题题意为你不应该在电影院大声说话，故选C.3. 根据本题上下文语境可知，回答应为你应该在乎老师的看法，故选C。4. 本题题意为
7、当飞机起飞时，我们禁止使用手机，故选D。5. 本题应用should表示一种提建议，故选B基础演练一、用should或shouldnt填空1. I cant sleep the night before exams. You _ take a warm shower before you go to bed. 2. Good friends _ argue each other. 3. There is little milk in the glass. We _ buy some. 4. They didnt invite you? Maybe you _ be friendlier. 5.
8、I am a little bit overweight. So I think I _ do exercises every day. 6. I think you _eat less junk food. 7. She drives a lot and she seldom walks. So I think she_ walk a lot.8. Students _spend too much time playing computer games.9. We _ help the people in need.10. We _ throw the rubbish into the bi
9、n.二、根据要求改写句子(前五题每空一词)1. We should take good care of the young tree. (改为一般疑问句) _ we _ good care of the young trees? 2. You ought to turn off the lights when you leave the room. (改为一般疑问句) _ I _ _ off the lights when I leave the room? 3. You ought to put your bike under the tree. (改为否定句) You _ _ _ _ yo
10、ur bike under the tree. 4. The child should drink some orange juice. (改为否定句) The child _ _ _ orange juice. 5. They should arrive at the station before 7 oclock. (就划线部分提问) _ _ _ _ at the station?6. You should do your homework carefully. (用ought to 改为同义句) _ 7. Tom should look after his little sister.
11、(改为一般疑问句) _ 8. They ought to help their parents do the housework. (改为一般疑问句) _ 9. I ought to buy a new bike. (改为否定句) _ 10. Lucy should get to school on time. (根据划线部分提问) _ 一、1. should 2. shouldnt 3. should 4. should 5. should 6. should 7.should 8.shoudnt 9.should 10.should1. 二、Should; take 2.Ought; to
12、 turn 3.ought not to put 4.shouldnt drink any5. When should they arrive6. You ought to do your homework carefully.7. Should Tom look after his little sister?8. Ought they to help their parents do the housework?9. I ought not to buy a new bike.10. What should Lucy do?巩固提高翻译下列句子1. 你应该早点上床睡觉。_.2. 我应该量一下体温吗？ _?3. 我觉得你应该躺下休息。_
