最新If引导的条件状语从句练习资料

1、精品文档if 引导的条件状语从句 引导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，主句中某种情况发生的概率也是很高的。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。 另外，if从句还表示不可实现的条件或根本不

2、可能存在的条件，也就是一种虚拟的条件或假设。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。另外你还要注意 if 条件句的时态搭配1 if 从句用一般现在时，主句用一般将来时If he runs he ' ll get there in如m果他用跑的，他就会及时赶

3、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。2if 从句用一般现在时，主句用may/might/canIf the fog gets thicker the plane may/might be diverted. 如果雾在大一些，飞机可能就会改在别 的机场降落。If it stops snowing we can go out. 如果雪停了，我们就可以出去。3if 从句用一般现在时，主句用must/shouldIf you want to lose weight you must/should eat l

4、ess bread. 如果你想减肥，你必须少吃面包。4if 从句用一般现在时，主句用一般现在时If you heat ice it turns to water. （也可用 will turn） 如果把冰加热，它就会化成水。5if 从句用现在进行时，主句用一般将来时If you are looking for Peter you' II find hi如果你是在找彼得，上楼就会找到他。6if 从句用现在完成时，主句用一般将来时If you have finished dinner I' II ask the waiter for 果你吃完了，我就叫服务生来算账学习 "

5、 if " 引导的条件状语从句的用法,现在总结一下 :if 条件句不一般 ,几个要点记心间 ;条件句 ,放在前 ,逗号要放句中间。条件句表可能，主句多用将来时； 条件句表事实，主句常用现在时。在 if 引导的条件状语从句中，如果从句谈论的是一个有可能发生的事实及其产生的相关的 结果，主句用一般将来时态，从句用一般现在时态。如：We can waIk there if we can't find a bus .If it rains tomorrow ,we wiII not go to the zoo.What wiII you do if you find a panda

6、in danger.如果 if 条件句谈论的是重复发生和预示要发生的情景和事件，则主从句大多用一般现在时 态。如：If bears are in danger ,they attack peopIe.在 if 引导的条件状语从句中， if 和条件句位置灵活，可直接放在主句后面，若 if 条件句 放句首， 从句后面要加逗号，和主句隔开。还要注意前后时态一致原则精品文档 一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

7、 teach/teach/teaches) in the poor village if the Ministry of Education (will 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 (won ' t/don ' t/doesn ' t/ isn ' t) rainy, we (will take/ take/takes) walk o

8、utside.5. If a UFO (will land/land/lands) in front of me, I (will go/go/goes) in to look for the alien.6. If he (will have/have/has) money, he (will bulid/build/builds) a science lab.7. Don ' t wait for me if I (am/ will be) late.8. They (won ' t/don ' t) go to the beach if it (will rain

9、/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 (will need/ need/ needs) help.11. (Will / Do/ Does) he visit the museum if he (won't / dtoirned? 't/ doesn 't) get12. Where (will/ do/does) they live if they (w

10、ill miss/ miss/ misses) the bus? 二、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) time?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

11、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 if 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 th

12、e 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 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 Universi

13、ty.I .单项选择(15分)1.If you to the party, you' ll have a great time.BA.wweinlltgoC. go D. going2. It will be a long time Peter his work.A. since, has finished B. after, finishes C. when, will finish D. before, finishes.3. What will father us from Japan? A. take B. bring C. carry D. make4. Weifang is

14、 famous kites. A. for B. to C. on D. with5 I her the answer if she me.A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks6. -What are you going to do tomorrow?-We' ll go to the library tomorrow if it _.A. isn 't raiBn. rain C. won 't rainD. doesn 't rai

15、n7. Do you know when he will come back tomorrow?-Sorry, I don't know. When he back, I'll tell you.A. comes B. will come C. come D. may come精品文档s home visit?8. What will you do if you to the old folkA. go B. went C.going D. will go9. If I eat food, Ill be very fat.A. too many B. many too C. t

16、oo much D. much too10. I ' ll give the boookhtim if he _ here next Sunday.A. will come B. comes C. is coming D. came11. There an English film in our school tomorrow.A. is going to have B. will have C. is going to be D. has12. Could you tell us where ？A. will the next Olympic Games heldB. the next Olympic Games will be heldC. would the next Olympic Games be heldD. the next Olympic Games would be held13. When my mot