牛津英语8B语法专项练习(七)(共8页).doc

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1、精选优质文档-倾情为你奉上牛津英语8B语法专项练习（七）should ，ought to和had better一、掌握基本用法had better，should，ought to 含义及语气有所不同，请看下表：二、should和ought to均为提建议型情态动词,可表示“责任”、“义务”，常用来劝告别人去做某事，译为“应该”，还勇于纠正某人的错误。 其特点是：和另一个动词共同构成谓语，没有人称和数的变化，后接动词原形可以表示现在、将来或过去将来，由时间状语或上下文决定。例如：We ought to be more careful with our homework.我们应当更加认真地做作业。

2、You should follow Mr. Wangs advice. 你应当听王老师的话。she should be back tomorrow.它应该明天回来。 I ought to do my homework now.我应该现在就做作业。 Whats wrong with my answer? It should be 62,not 26.我的答案出了什么错误？它应该是62，不是26。1、陈述句肯定形式：I/You/He /She/We/They should discuss it. ought to discuss it.否定形式：I/You/He /She/We/They shou

3、ld not(shouldnt) discuss it. ought not (oughtnt) to discuss it.2、一般疑问句：Should We discuss it now?Ought we to 简略回答：Yes , we should /ought to .No, we shouldnt /ought not (oughtnt) to.3、反意疑问句:You should study hard, shouldnt you? 你应该认真学习，是吗？You ought to study hard, oughtnt you?He shouldnt speak in class,

4、 should he? 你上课不应该讲话，是吗？He oughtnt to speak in class, ought he?三、should和ought to +have done（一）should/ought to + have done 意为本来应做但实际没有做，表达遗憾的感情色彩。 例如：There was a lot of fun at yesterdays party. You ought to have come, but why didnt you? （二）shouldnt / oughtnt to have done，意为本来不应做但实际已做，表达遗憾的感情色彩。 例如：I

5、was really anxious about you. You shouldnt have left home without a word. 四、should和ought to +be doing ，表示“应该在（立即）”例如：You oughtnt to be talking so much.你不应当说这么多话。 They felt they ought to be doing something.他们感到他们应该做点什么事。五、had better表示最好had better 作为情态动词，它只有一种形式，它后面要跟动词原形。I/You/He /She/We/They had bet

6、ter go to bed early.I/You/He /She/We/Theyd better go to bed early.(缩写)1、陈述句肯定形式：had better do sth You had better go there at once. 你最好立即去那里。否定形式had better not do sthYou had better not start at this time. 此时你最好别出发。2、一般疑问句：Had he better start early at once? 他最好立即出发吗？Yes ,he had./ No, he hadnt.3、反义疑问句：

7、You had better not go home, had you? 你最好别回家，是吗？ She had better water the flowers as soon as possible，hadnt she？她最好尽快给花浇水，不是吗？情态动词专项练习题一、 用should, shouldnt, ought, oughtnt填空：1. Im getting fat. I to eat too much.2. Mary is not feeling well. She stay at home.3. He to be here, oughtnt he?4. Children pla

8、y football in the street.5. They to let their dogs run on the road.6. Shes always short of money. She spend too much.7. Mike has a weak body, so he to do more exercise.8. Hopeful gets low marks at school. He work harder.9. May go swimming this afternoon? No, she . She do her homework at home.10. we

9、to buy some batteries? Yes, we . Therere no batteries left.11. You should drink eight cups of water, you?12. He oughtnt to speak in class, he?二、 单项选择( )1.You jump the queue! Sorry , I wont.a. ought to not b. ought not to c. ought not d. not ought( )2. My sister often spends more money than she has.S

10、he spend so much. She save money.a. shouldnt , ought to b. shouldnt , oughtnt to c. oughtnt ,should d. oughtnt to ,shouldnt( )3. There much noise in a hospital.a. should have b. shouldnt have c. ought to be d. oughtnt to be ( )4. What we do in the corridor? You be quiet.a. should ,ought b. ought ,ou

11、ght c. should, should d. should to ,ought to( )5.I to recite this text, I ?a. should ,shouldnt b. ought ,oughtnt c. shouldnt ,ought d. ought , shouldnt ( )7. multiplied by 9 is 54. No, it to 63.a. ought, is b. should be c. must, be d. ought , be ( )8. Albert is too fat. She not eat too much sweet.a.

12、 had better b. ought to c. had to d. should to ( )9. Kathy is talking to her classmate in the class. She to others in the class.a. should is talking b. should be talking c. shouldnt be talking d. shouldnt is talking( )10. they better wait here, sir? No, they .a. do ,dont b. had ,hadnt c. had ,dont d

13、. had ,had( )11.Susan better not be lazy, she?a. had ,had b. hadnt, had c. hadnt, hadnt d. had, hadnt三、 句式转换：1、 You should go to school on time.(否定句) 2、 They ought to go now.(一般疑问句) 3、 You had better get here early.(否定句) 4、 You should dress neatly.(同义句)You dress neatly.5、 We should put the rubbish i

14、n the bin.(划线提问) 四、 改错：1、 Angel should to wear more clothes, it is cold.2、 This book dont ought to be too expensive.3、 Youd better doing your homework at home.4、 Ought he go now?5、 The twins should listening to their mother. 五、短文填空：Electricity is very important to our lives. Almost everyone today us

15、es electricity in one way or another. As you know it is precious, so we 1 try our best to save electricity. For example, we 2 to turn on more lights than we need. You 3 not turn fans on when you leave a room. We 4 leave the fridge open after we have taken something out. We 5 to turn off the lights a

16、fter we leave school.答案：一、1、ought 2、should 3、ought 4、shouldnt 5、oughtnt 6、shouldnt 7、ought 8、should 9、Should，shouldnt，should 10、Ought，ought to 11、shouldnt 12、ought二、BADCB DACBA三、1、You shouldnt go to school on time. 2、Ought They to go now? 3、You had better not get here early. 4、ought to 5、Where shoul

17、d we put the rubbish?四、1、Angel should wear more clothes, it is cold.2、This book ought not to be too expensive.3、Youd better do your homework at home.4、Ought he to go now?5、The twins should be listening to their mother. 五、1should 2.ought not 3.had better 4.shouldnt 5.ought情态动词专项练习题I. 从 A 、 B 、 C 、 D

18、中选出可以填入空白处的最佳答案。( )1. This dictionary belongs to Rita. You _ it home without letting her know. A. had better not to take B. shouldnt have taken C. oughtnt take D. shouldnt be taking( )2. Our money is very limited， so you _ so much money on so dear a skirt. A. shouldnt have spent B. shouldnt be spend

19、ing C. neednt have spent D. oughtnt spend( )3. You _ to your father like this， after all he is your father. A. neednt have spoken B. mustnt have spoken C. oughtnt to have spoken D. ought to not have spoken( )4. Look，the books on the desk are all wet. You _ all the windows to keep the rain out. A. mu

20、st have shut B. should have shut C. ought have shut D. can have shut( )5. The little girl had better not stay up too late， _ she？ A. does B. will C. had D. has( )6. This is a very important project，so you _ plan it very carefully. A. ought to B. will C. dare D. need7. You had better _ football near

21、the street，its very dangerous. A. not to play B. dont playC. not play D. to not playII. 在下列各句的空白处填上适当的情态动词，每空一词。1. Excuse me， may I sit here？ Im afraid you _ _ not， because someone has taken it.2. Tom，you _ have left home without telling your parents yesterday afternoon.3. You _ _ have bought that book. It is so good.4. I think you should be careful in all your work， _ you？5. Your sister ought to put her heart and soul into her study， _ she？答案：I. 1. B 2. A 3. C 4. B 5. C 6. A 7. CII. 1. had better 2. shouldnt 3. ought to 4. shouldnt 5. oughtnt专心-专注-专业