初中英语——If引导的条件状语从句(整理版)(3页).doc

-初中英语If引导的条件状语从句(整理版)-第 3 页在句子中做条件状语的从句称为条件状语从句。引导条件状语从句的连接词有：if ,unless,as/so long as，once等 1.if引导的条件状语从句表示在某种条件下某事很可能发生。 If we pay much attention to the earth, we'll have a better world. 注意：if还可以引导虚拟条件句，表示不可实现的条件，从句中多用一般过去时或过去完成时。What would happen if there were no water ?如果没有水会怎样？2.unless引导的条件状语从句You will fail in English unless you work hard.3.as /so long as引导的条件状语从句So long as you're happy,i will be happy.4.once引导的条件状语从句Once you begin,never stop.提示：在条件状语从句中，用一般现在时代替一般将来时，用一般过去时代替过去将来时。Father told me if i worked hard he would buy me a gift.if 条件状语从句的时态练习 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 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 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 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. .单项选择（15分）1.If you _ to the party, youll have a great time. A. will go  B. went  C. 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. make 4. Weifang is 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? -Well go to the library tomorrow if it _. A. isnt rain  B. rain   C. wont rain  D. doesnt rain7.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. What will you do if you _ to the old folks home visit?A. go   B. went   C.going   D. will go9. If I eat _ food, Ill be very fat.A. too many   B. many too   C. too much  D. much too10. Ill give the book to him 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 held  B. the next Olympic Games will be heldC. would the next Olympic Games be held D. the next Olympic Games would be held13. When my mother returned last night, I _  a book. A. read   B. am reading   C. was reading  D. am going to read14.What _ you _ when it began to rain?A. do, do  B. were, doing  C. are, doing  D. did, do15. Ill wake you up when he _back.A. will   B. is going to come   C. comes    D. come