If引导条件状语从句的用法

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1、精选优质文档-倾情为你奉上 if引导的条件状语从句 条件状语从句是在复合句中作条件状语的句子。表示假如有从句的动作发生就会有主句的动作发生。条件状语从句常由从属连词if引导。 if引导的条件状语从句使用须知： 一、位置 if引导的条件状语从句，既可放在主句之前也可放在主句之后。当从句置于主句之前时，常用逗号与主句隔开。例如： You will catch the bus if you get up early. =If you get up early, you will catch the bus. 如果你早起的话，就能赶上公共汽车。 二、时态 应遵循主、从句时态呼应的原则。当主句是一般现在

2、时 (包含祈使句和含情态动词can, may, must等的句子)，从句也用一般现在时。例如： You must see the doctor if you are ill. 如果你生病了，你必须去看医生。 If you want to go skating, wear warm clothes. 如果你想去滑冰，穿上暖和点的衣服。一选择正确答案。1. It was raining heavily_we got to Paris.A. while B. if C. when D. because2. I dont know if _tomorrow.A. it doesnt rain B. t

3、he rain will stops C. the rains wont stop D. it wont rain3 . The volleyball match will be put off if it_. A. will rain B. rains C. rained D. is raining4. Difficulties are nothing if we _not afraid of themA. will B. shall C. are D. do5. We _Beijing tomorrow if it doesnt rain.A. are going to B. would

4、C. shall D. will go6. I dont like to be interrupted if I_.A. speak B. will speak C. am speaking D. spoke7. If you _the book you will understand the story better.A. will be reading B. have read C. will have read D. read8. If you _I will go with youA. go to B. went C. will D. should go9. Ill go to mee

5、t you，if I _free then.A. would be B. will be C. am D. was10. If you _to the music, buy a CD.A. will listen B. listen C. listening D. listened11. He suggested _a pinic tomorrow.A. to have B. having C. have D. to having12. Be careful, if you _want to make mistakes. A. wont B. dont C. didnt D. not13. W

6、ork hard if you _to get a good mark.A.wanted B. wanting C. want D. will want14. I want to know if you_to the party tomorrow. I will if I_free.A. will come; am B. come; amC. will come; will be D. come; will be15. The cat _him_the hand.A.bit; in B. bited; on C. bit; on D. bited; on16. There is going t

7、o _a sports meeting next week. If it_ , well have to cancel it.A. be; will rain B. have; will rainC. be; rains D. give; is going to rain17. If he _, I _go swimming alone.A. doesnt come will go B. wont come; will goC. will come; wont go D. is coming; dont go18. If you _a chance to study in a foreign

8、country, just take it.A. getting B. had got C. will get D. get19. Frank _a film if hes free next Saturday.A. see B. saw C. has seen D. will see20. If he _ exercise, he _healthy.A.not; will B.isnt; wont beC.doesnt; will be D.doesnt do; wont be21I dont know if he_tomorrowIf he _，Ill tell youAwill come

9、；comes Bcomes；comesCcomes；will Dis coming；is coming22.If you _ to the party, youll have a great time. A. will go B. went C. go D. going23. It will be a long time _ Peter _ his work. A. since, has finished B. after, finishes C. when, will finish D. before, finishes.24. What will father _ us from Japa

10、n?A. take B. bring C. carry D. make 25. Weifang is famous _ kites. A. for B. to C. on D. with26 I _ her the answer if she _me.A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks27. What are you going to do tomorrow? -Well go to the library tomorrow if it _.A. isnt rain

11、 B. rain C. wont rain D. doesnt rain28.Do you know when he will come back tomorrow?-Sorry, I dont know. When he _ back, Ill tell you. A. comes B. will come C. come D. may come 29. What will you do if you _ to the old folks home visit?A. go B. went C.going D. will go30. If I eat _ food, Ill be very f

12、at.A. too many B. many too C. too much D. much too31. Ill give the book to him if he _ here next Sunday.A. will come B. comes C. is coming D. came32. There _an English film in our school tomorrow.A. is going to have B. will have C. is going to be D. has33. Could you tell us where _？A. will the next

13、Olympic Games held B. the next Olympic Games will be heldC. would the next Olympic Games be held D. the next Olympic Games would be held34. When my mother returned last night, I _ a book. A. read B. am reading C. was reading D. am going to read35.What _ you _ when it began to rain?A. do, do B. were,

14、 doing C. are, doing D. did, do36. Ill wake you up when he _back.A. will B. is going to come C. comes D. come二在正确的答案下划一条线。1.Daina ( will go/go/goes) to Europe if she (will pass/pass/passes) the exams .2. The graduates (will teach/teach/teaches) in the poor village if the Ministry of Education (will

15、agree/ agree/agrees) soon.3. If there (will be/ are/is) a car accident, they (will call/call/calls) 110 for help at once.4. If it (wont/dont/doesnt/ isnt) rainy, we (will take/ take/takes) walk outside.5. If a UFO (will land/land/lands) in front of me, I (will go/go/goes) in to look for the alien.6.

16、 If he (will have/have/has) money, he (will bulid/build/builds) a science lab.7.Dont wait for me if I (am/ will be) late.8.They (wont/dont) go to the beach if it (will rain/rain /rains).9. I (will call/ call) you if he (will stay/stay /stays) at home.10. Mr Smith (will let/ let/lets) you know if he

17、(will need/ need/ needs) help.11. (Will / Do/ Does) he visit the museum if he (wont / dont/ doesnt) get tired?12. Where (will/ do/does) they live if they (will miss/ miss/ misses) the bus?三、用所给词的适当形式填空1.If you _(feel) tired, you _ (have) to have a rest.2. Where _ he _(see) the film if he _(have) tim

18、e?3. If there _(be) fewer trees, there _( be) more pollution.4. He _(dress) more casually if he _( not work) on weekends.5. If Marcia _(live) alone, she _( keep) a pet parrot.6. Lana _( buy) a new dress if the old one _(be) out of style.7.The twins _(fight) if they_(argue).8. I _(have) a bake sale i

19、f I _(need) money for education.9. Peter _( send) me a beautiful souvenir if he _(tour) Spain.10. If Mr Green _(say) I am hard- working, my parents _( feel) glad.11.I _(go) to the beach if it_ ( not rain) this week.12. _they _( have) a match if the P.E. teacher _(be) busy?13.He _(write) a letter to

20、his grandparents if he _(get) his report card this week.14. If she _(get) up late, she _ ( not catch) the early bus.15. Peter _(major) in English if he _(pass) the exams in Peking University.16. Dont go out tomorrow if it _ _ (rain) .17. I dont know if he _ _(come) tomorrow.18. The doctor suggests h

21、im _ _ (drink) more water.19. I suggested that we _ _ (go) swimming tomorrow.20. If you the telephone _ _(ring) , answer it.四. 按要求转换句型。You want to record. You should press the red button.(合并成含if的条件句) Which bus should I take? I want to the bank. (合并成含if的条件句)I will do it. I can do it. (合并成含if条件句的省略句)

22、I will go swimming. It wont be cold tomorrow. (合并成含if的条件句)IV. 完成句子。1.如果他到的晚了会发生什么事情？What _ if he _ late?2. 如果努力学习，你就会取得好成绩。If you_ _, you _ good _.3. 他如果看电视太久了，他的父母会不高兴。If he _ TV too much, his parents _ _ unhappy.4. 如果我们为他组织生日聚会，大家都会来的。 Everyone _ if we _ a birthday party _ him.5. 如果明天不下雨，我会和你一起去公园

23、的。 If it _ _ tomorrow, I _ go to the park _ you.6. 如果她睡过头了，就会旅游迟到的。She _ the trip if she _.7. 如果他有空，他会帮助你的。If he _, he _ you.8. 如果Tom考试不及格，他就没有机会上高中了。Tom _have the _to go to the _high school if he _ the exams.9. 你如果抄同学的作业就不能学好各门功课。You _ _ good at all the subjects if you _ the other students homework.专心-专注-专业