If引导的条件状语从句讲解与练习

1、 If 引导的条件状语从句讲解与练习 If引导条件状语从句的条件状语从句最常用的连词是if，常见的if条件状语从句表示在某条件下，某事很可能发生，条件是可能存在的。如： If you ask him，he will help you如果你请他帮忙，他会帮你的。 If you fail in the exam，you will let him down如果你考试不及格，你会让他失望的。 If you have finished the homework， you can go home如果你作业做完了就可以回家了。 1 if从句用一般现在时，主句用一般将来时 If he runs hell ge

2、t there in time. 如果他用跑的，他就会及时赶到那儿。 The cat will scratch you if you pull her tail. 如果你拉猫的尾巴，它就会抓你。 2 if从句用一般现在时，主句用may/might/can/must/shouldIf it stops snowing we can go out. 如果雪停了，我们就可以出去。 If you want to lose weight you must/should eat less bread. 如果你想减肥，你必须少吃面包。(另外，if从句还表示不可实现的条件或根本不可能存在的条件，也就是一种虚拟

3、的条件或假设。从句多用一般过去时或过去完成时，表示对现在或过去的一种假设。如： If I were you，I would invite him to the party如果我是你，我会邀请他参加聚会。 I would have arrived much earlier if I had not been caught in the traffic要不是交通堵塞，我本会来得早一些。 ) If条件状语从句练习( )1. If I find his phone number, I _ you. A. tell B. told C. will tell D. have told( )2. I _ t

4、he CDs to you if I have time tomorrow. Awill return B. returned C. have returned D. return ( )3. The students will go to the Summer Palace if it _tomorrow.A. won t rain B. isn t raining C. doesn t rain D. isn t rain ( )4. I wont watch the TV play if my father _ me do my homework. A. let B. will let

5、C. wont let D. lets ( )5. If you _quiet, Ill tell you what happened. A. will B. are C are to be D be ( )6. If you go to the party, you _ a good time. A. would have B. have C. will have D. had( )7. Dont worry. Peter will call you as soon as he _ London. A. will get to B. gets to C. get to D. got to (

6、 ) 8.He doesnt tell me when he _. Ill telephone you as soon as he _. A. will come, comes B. will come, will come C. comes, will come D. comes, comes ( )9.- I dont know if Dr. White _ to the party next week. - I think he will come if he _ free. A. comes; will come B. will come; will be C. comes; is D

7、. will come; is( )10. I dont know if there _ a sports meeting next month. If they _ it, I must get ready for it. A. is; will hold B. will be; hold C. will be; will hold D. will have; hold 宾语从句练习 ( ) 1. I dont know _. A. what does he like best B. what he like best C. what he does like best D. what he

8、 likes best( ) 2. Can you tell me _? A. where she lives B. where does she live C. she lives where D. where she live( ) 3. He asked me _. A. what time is it B. what time it is C. what time was it D. what time it was( ) 4. Do you know _? A. how much did it cost B. how much it did cost C. how much it c

9、osts D. how much does it cost( ) 5. The man asked her _. A. why did she do it B. why she did it C. why she does D. why does she do it( ) 6. Nobody knows _. A. when will she come back B. when she come back C. when she will come back D. when does she come back( ) 7. Mum asked _. A. where he was B. whe

10、re was he C. where he is D. where is he( ) 8. Do you know _? A. what they are looking for B. what are they looking for C, they are looking for what D. what do they look for() 9. The teacher asked _. A, who can answer this question B. who could answer the question C. what question did she ask D. she

11、answered this question( ) 10. I asked her _. A. whether he has been to Australia B. whether has he been to Australia C. whether he had been to Australia D. whether he goes to Australia( ) 11. The teacher told us _. A. that light traveled faster than sound B. if light traveled faster than sound. C. t

12、hat light travels faster than sound D. if light travels faster than sound( ) 12. He said that _. A. he is doing his homework B. he does his homework C. he was doing his homework D. he do his homework( ) 13. I asked him _. A. where did he go B. where he went C. where does he go D. where he did go( )

13、14. -Excuse me, could you tell me _ get to the plane? -Certainly. Go straight alone here. A. how can we B. how we can C. when can we D. when we can( ) 15. Do you know _he will ride here at 8 tomorrow morning? A. when B. where C. whether D. how( ) 16. -Can you tell me why _? -Because I want to help t

14、he people there. A. do you go to Tibet B. did you go to Tibet C. are you going to Tibet D. you are going to Tibet( ) 17. Do you know _? A. what time does the train leave B. what time leaves the train C. what time the train leave D. what time the train leaves( ) 18. Could you tell me _? A. who is he

15、B. wheres the nearest restaurant C. if he will come tomorrow D. which way is to the underground station( ) 19. -Do you know _? -Sorry. I dont know. You may ask the woman over there. A. when the shop opens B. when is the shop open C. when does the shop open D. when will the shop open( ) 20 -Dad, do y

16、ou know _? -In half an hour. A. when will the football game start B when the football game will start C. when is the football game going to start D. when shall we start the football game( ) 21. Could you tell me _? A. which bus they are waiting for B. which bus are they waiting for C. theyre waiting for which bus D. which bus they wait( ) 22. I asked her _. A. whether did she like the red one B. whether she likes the red one C. whether does she like the red one D. whether she liked the red one( ) 23. Can you guess (猜） _the people in the picture are ? A. when B. whom C.