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1、初中条件状语从句条件状语从句讲解及练习 一、考点归纳 由连接词if或unless引导的状语从句叫做条件状语从句。 真实条件句：表示在某种条件下某事很可能发生。 Eg: a) If you ask him, he will help you. 如果你请他帮忙,他会帮你的。 b) 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。 c) If it rains tomorrow, we wont go on a picnic. 如果明天下雨，我们就不去野餐。 注意：切记紧跟着if的那句话是从句。 非真实条件句是虚拟语气
2、的一种，表示与事实相反 ，不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设,从句多用一般过去时或过去完成时。 Eg: a) 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。 b) I would have arrived much earlier if I had not been caught in the traffic. 如果没有堵车,我会到的早一点儿。 c) If I were you, I would go with him. 如果我是你,我会和他一起去的。 2. unless引导词用法
3、固定搭配： unless = if.not 除非,若不,除非在的时候。Eg: a) You will fail to arrive there in time unless you start earlier. =If you dont start earlier, you will fail to arrive there in time. 如果你不早点动身,你就不能及时赶到那儿。 b) Unless it rains, the game will be played. =If it dosent rain，the game will be played. 除非下雨,比赛将照常进行。 c)
4、Lets go out for a walk unless you are too tired. d) = If you are not too tired, lets go out for a walk 经典语句：If it dosent rain tomorrow,we will go to the zoo. 条件状语从句就是用以表示在某种条件下,会 二、课堂练习 I 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
5、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
6、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 the beach if it_ ( not rain) this week. 12. _they _( have) a match if the P.E. teacher _(be) busy? 13.He _(write) a
7、 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 University. 15.如果他到的晚了会发生什么事情？What _ if he _ late? 16. 如果努力学习，你就会取得好成绩。 If you_ _, you _ good _. 17. 他如果看电视
8、太久了，他的父母会不高兴。 If he _ TV too much, his parents _ _ unhappy. 18. 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. 19. 如果明天不下雨，我会和你一起去公园的。 If it _ _ tomorrow, I _ go to the park _ you. 20. 如果她睡过头了，就会旅游迟到的。 She;_ the trip if she _. 21. 如果他有空，他会帮助你的。 If he _, he _ you. 22. 如果Tom考试不及格，他就没有
9、机会上高中了。 Tom _have the _to go to the _high school if he _ the exams. 23. 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. II.单项选择 1.If you _ to the party, youll have a great time. A. will go B. went C. go D. going 2. It will be a long time _ Peter _ his work.
10、 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. make 4. Weifang is famous _ kites. A. for B. to C. on D. with 5I _ her the answer if she _me. A. can tell, will ask B. will tell, will ask C. would t
11、ell, ask D. will tell, asks 6. What are you going to do tomorrow? -Well go to the library tomorrow if it _. A. isnt rain B. rain C. wont rain D. doesnt rain 7.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 8.
12、What will you do if you _ to the old folks home visit? A. go B. went C.going D. will go 9. If I eat _ food, Ill be very fat. A. too many B. many too C. too much D. much too 10. Ill give the book to him if he _ here next Sunday. A. will come B. comes C. is coming D. came 11. There _an English film in
13、 our school tomorrow. A. is going to have B. will have C. is going to be D. has 12. Could you tell us where _？ A. will the next Olympic Games held B. the next Olympic Games will be held C. would the next Olympic Games be held D. the next Olympic Games would be held 13. When my mother returned last night, I _ a book. A. read B. am reading C. was reading D. am going to read 14.What _ you _ when it began to rain? A. do, do B. were, doing C. are, doing D. did, do 15. Ill wake you up when he _back. A. will B. is going to come C. comes D. come 1-5 CDBAD 6-10 DAACB 11-15 CBCBC
