初中條件狀語從句精講和練習(xí)含答案

1、初中英語：條件狀語從句一條件狀語從句的概念條件狀語從句，即在某種條件下，一件事情可能發(fā)生。在英語中由連接詞if 或 unless 等引導(dǎo)的狀語從句叫做條件狀語從句。條件是指某一件事情實(shí)現(xiàn)之后（狀語從句中），一件事 情（主句）才能發(fā)生，通常譯作假如，只要，如果”等意思。條件狀語從句中，主從句的時(shí)態(tài)要遵循主將從現(xiàn)”的原則。即，主句是將來時(shí)態(tài)時(shí)，從句用一般現(xiàn)在時(shí)代替將來時(shí)態(tài)。二. 條件狀語從句的引導(dǎo)詞conj .如果，假如If you ask him， he will help you .如果你請他幫忙，他會(huì)幫你的。If you fail in the exam , you will let him

2、 down . 如果你考試不及格，你會(huì)讓他失望的。conj.除非，若不，除非在的時(shí)候 （if . not.）You will fail to arrive there in time un less you start earlier.如果你不早點(diǎn)動(dòng)身，你就不能及時(shí)趕到那兒。Un less it rai ns, the game will be played.除非下雨，比賽將照常進(jìn)行。as long as conj. 只要You may borrow my book as long as you keep it clea n.只要你保持書的清潔，你就可以把我的書借去。三. 關(guān)于條件句的時(shí)態(tài)，常

3、見的有以下三種情況：1、條件狀語從句的主句是一般將來時(shí)，那么從句常常用一般現(xiàn)在時(shí)。When I grow up, I ll be a nurse and look after patients.我長大后要當(dāng)一名護(hù)士，照顧病人。2、如果主句是祈使句，那么從句通常要用一般現(xiàn)在時(shí)。If you want to have a chat ,call me up. 如果你想聊天，打我電話。3、如果主句是含有情態(tài)動(dòng)詞時(shí)，根據(jù)需要從句多用一般現(xiàn)在時(shí)。You should be quiet whe n you are in the reading room.在閱覽室時(shí)應(yīng)保持安靜。四. 知識(shí)拓展1 在以 when

4、 , before , as soon as 等引導(dǎo)的時(shí)間狀語從句，也適用 主將從現(xiàn)原則，即如果主句是一般將來 時(shí)，從句則用一般現(xiàn)在時(shí)。Ill tell her the good news whe n she comes back.當(dāng)她回來的時(shí)候，我將把這個(gè)好消息告訴她。she will give you a call as soon as she returns.她一回來就會(huì)給你電話。條件句的同義句：祈使句，and /or+將來時(shí)態(tài)的陳述句。Work hard ,and you will make great progress.=If you work hard,you will make

5、great progress.如果你努力學(xué)習(xí)，你才會(huì)取得大的進(jìn)步。Hurry up, or you will be late.= If you don t hurryill be late.如果你不快點(diǎn)，你就要遲到了。條件狀語從句練習(xí)精講（含答案）I單項(xiàng)選擇1. If you_ to the party, you II 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 fini shed B. after, fini shes C.

6、 whe n, will finish D. before, fini shes.3. What will father_ us from Japa nA. take B. bring C. carry D. make4. Weifang is famous_kitesA. for B. to C. on D. with5.I_ her the an swer 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

7、 do tomorrow-We ll go to the library tomorrow if it_ .A. isn t rain B. rain C. won t rain D. doesn t rain7. Do you know whe n 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 come8. What will you do if you_to the old folk s home visitA.

8、 go B. went C. going D. will go9. If I eat_ food, I ll be very fat.A. too many B. many too C. too much D. much too10. I ll give the book to him if he_ here n ext Sun day.A. will come B. comes C. is coming D. came11. There_an En glish film in our school tomorrow.A. is going to have B. will have C. is

9、 going to be D. has12. Could you tell us where_A. read B. am readi ng C. was readi ng D. am going to read14. What_ you_ whe n it bega n to rainA. do, do B. were, doing C. are, doing D. did, do15. I ll wake you up when he_ back.A. will B. is going to come C. comes D. comeAnswers : 1-5 CDBAD 6-10 DAAC

10、B 11-15 CBCBC二、用所給詞的適當(dāng)形式填空1. If you_ (feel) tired, you_(have) to have a rest.2. Where_ he_ (see) the film if he_ (have) time3. If there_(be) fewer trees, there_(be) more polluti on.4. He_(dress)more casually if he_ (not work) on weeke nds.A. will the n ext Olympic Games heldC. would the n ext Olympi

11、c Games be held13. Whe n my mother retur ned last ni ght, I_B. the n ext Olympic Games will be heldD. the n ext Olympic Games would be helda book.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

12、_(have) a bake sale if I_(n eed) money for educati on.9. Peter_ (se nd) me a beautiful souve nir if he_(visit) Spain.10. If Mr. Gree n_(say) I am hard- work ing, my pare nts_ (feel) glad.11. I_(go) to the beach if it_ (not rain) this week.12. _they_ (have) a match if the . teacher _ (be) busy13. He_

13、(write) a letter to his gran dpare nts if he_ (get) his report card this week.14. If she_ (get) up late, she_ (not catch) the early bus.15. Peter_ (major) in En glish if he_ (pass) the exams in Pek in g?U ni versity.An swers:1 feel，will have2 willseehas3 are, will be4 will dresses, doesn t work5 liv

14、es, will keep6 will buy, is7 will fight,argue8 will have,n eed9 will send, visits10 says, will feel11 will go,doesn t rain12 Will haveis13 will writes,gets14 gets, wont15 will major, passesIII 完成句子1.如果他到得晚了，會(huì)發(fā)生什么事情Whatif helate2.如果努力學(xué)習(xí)，你就會(huì)取得好成績。If you,yougood3. 他如果看電視太久了，他的父母會(huì)不高興。If he_TV too long,

15、his pare nts_ un happy.4. 如果我們?yōu)樗M織生日聚會(huì)，大家都會(huì)來的。Every one_if we_ a birthday party_him.5. 如果明天不下雨，我會(huì)和你一起去公園的。If it_tomorrow, I_ go to the park_ you.6. 如果她睡過頭了，就會(huì)上學(xué)遲到的。She_ if she_7. 如果他沒有空，他不會(huì)幫助你的。If he_ , he_ you.8. 如果 Tom 考試不及格，他就沒有機(jī)會(huì)上高中了。Tom_ have the_ to go to the high school if he_ the exams.9. 如果

16、這個(gè)男孩打爛窗戶，屋主會(huì)對(duì)他生氣。If the boy_ , the house owner_10.如果明天不下雨，我就出去野餐。An swers1. was happened， came late4 will come, hold, for7 isnfree, won t helphim2 work hard, will get ，5 doesn t rain,will,with8 won tchaneefailssuccess. 3. watch, will be6 will be late for school, sleeps late9 breaks the window , will

17、 be angry at10. If it doesnt rain tomorrow, I will go out to have a picnic.you feel tired, you should have to have a rest.2. Where has he seen the film if he has time3. If there are fewer trees, there will be more polluti on.4. He will dress more casually if he doesn t work on weekends.5. If Marcia

18、lives alone, she should keep) a pet parrot.6. Lana should buy a new dress if the old one is out of style.twins will fight if they argue.8. I will have a bake sale if I n eed money for educati on.9. Peter will send me a beautiful souvenir if he tours Spain.10. If Mr Gree n says I am hard- work ing, m

19、y pare nts will feel glad.will go to the beach if it doesn t rain this week.12. Will they have a match if the . teacher is busywill write a letter to his grandparents if he gets his report card this week.14. If she gets up late, she won catch the early bus.15. Peter will major in English if he passes the exams in Peking University.Tran slate1. 如果他到得晚了會(huì)發(fā)生什么事情2. 如果努力學(xué)習(xí)，你就會(huì)取得好成績。3. 他如果看電視太久了，他的父母會(huì)不高興。4. 如果我們?yōu)樗M織生日聚會(huì)，大家都會(huì)來的。5. 如果明天不下雨，我會(huì)和你一起去公園的。6. 如果她睡過頭了，