最新初中條件狀語從句-精講和練習(xí)含答案

1、精品文檔初中英語：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，主從句的時態(tài)要遵循 主將從現(xiàn)”的原則。即，主句是將來時態(tài)時，從句用一般現(xiàn)在時代替將來時態(tài)。二.條件狀語從句的引導(dǎo)詞1.If conj.如果，假如If you ask him, he will help you .如果你請他幫忙，他會幫你的。If you fail in the exam , you will l

2、et him down .如果你考試不及格，你會讓他失望的。2.unless conj.除非，若不，除非在的時候 （if .not.）You will fail to arrive there in time unless you start earlier.如果你不早點(diǎn)動身，你就不能及時趕至 U那兒。Unless it rains, the game will be played.除非下雨，比賽將照常進(jìn)行。3.so/as long as conj.只要You may borrow my book as long as you keep it clean.只要你保持書的清潔，你就可以把我的書借

3、去。三.關(guān)于條件句的時態(tài)，常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，那么從句常常用一般現(xiàn)在時。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。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)動詞時，根據(jù)需要從句多用一般現(xiàn)在時。You should be quiet when you are in the reading room.在閱覽室時應(yīng)保持安

4、靜。四.知識拓展1在以when, before, as soon a泮引導(dǎo)的時間狀語從句，也適用 主將從現(xiàn)"原則，即如果主句是一般將來 時，從句則用一般現(xiàn)在時 。I'll tell her the good news when she comes back. 當(dāng)她回來的時候，我將把這個好消息告訴她。she will give you a call as soon as she returns.她一回來就會給你電話。2.If條件句的同義句：祈使句，and /or+將來時態(tài)的陳述句。Work hard ,and you will make great progress.=If y

5、ou work hard,you will make great progress.如果你努力學(xué)習(xí)，你才會取得大的進(jìn)步。Hurry up, or you will be late.= If you don ' t hurry up.you will 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' ll have a great time.A. will go B. went C. go D. going2. It will be a long time Peter his work

6、.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 famous kitesA. 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.

7、will tell, asks6. - What are you going to do tomorrow?-Wd ll go to the library tomorrow if it.A. isn ' t rain, rain C. won ' t rainD. doesn ' t rain7. 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

8、. may come8. What will you do if yo u to the old folk ' s home visit?A. 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 next Sunday.A. will come B. comes C. is coming D. came11. Th

9、ere an English film in 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 heldC. would the next Olympic Games be held13. When my mother returned last night, IB. the next Olympic Games will be heldD. the next Olymp

10、ic Games would be held a book.A. read B. am reading C. was reading D. am going to read14. What you when it began to rain?A. do, doB. were, doing C. are, doingD. 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 DAACB 11-15 CBCBC二、用所給詞的

11、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) 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.精品文檔精品文檔6. Lana(buy) a new dress if the old o

12、ne(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(visit) 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 mat

13、ch 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.Answers :1 feel, will have5 lives, will keep9 will send, vis

14、its12 Will have is4 will dresses, doesn ' t work6 will buy, is7 will fight,argue8 will have,need10 says, will feel11 will go,doesn 't rain13 will writes, gets14 gets, won，t15 will major,passes2 will see has 3 are, will be精品文檔III完成句子1 .如果他到得晚了，會發(fā)生什么事情？What if he late?2 .如果努力學(xué)習(xí)， 你就會取得好成績。If yo

15、u, you good.3 .他如果看電視太久了，他的父母會不高興。If he TV too long, his parents unhappy.4 .如果我們?yōu)樗M織生日聚會，大家都會來的。Everyone if we a birthday party him.5 .如果明天不下雨，我會和你一起去公園的。If it tomorrow, I go to the park you.6 .如果她睡過頭了，就會上學(xué)遲到的。Sheif she7 .如果他沒有空，他不會幫助你的。If he, he you.8 .如果Tom考試不及格，他就沒有機(jī)會上高中了。Tom have the to go to th

16、e high school if he the exams.9 .如果這個男孩打爛窗戶，屋主會對他生氣。If the boy, the house ownerAnswers1. was happened, came late?10 .如果明天不下雨，我就出去野餐。2 work hard, will get , success. 3. watch, will be4 will come, hold, for5 doesn ' t rainwill, with 6 will be late for school, sleeps late7 isn't free,won' t

17、 help8 won' t chance fails 9 breaks the window , will be angry at him10. If it doesn ' t rain tomorrow, I will go out to have a picnic.1.1 f you feel tired, you should have to have a rest.2. Where has he seen the film if he has time?3. If there are fewer trees, there will be more pollution.4

18、. He will dress more casually if he doesn' t work on weekends.5. If Marcia lives alone, she should keep) a pet parrot.6. Lana should buy a new dress if the old one is out of style.7. The twins will fight if they argue.8. I will have a bake sale if I need money for education.9. Peter will send me

19、 a beautiful souvenir if he tours Spain.10. If Mr Green says I am hard- working, my parents will feel glad.11. I will go to the beach if it doesn ' t rain this week.12. Will they have a match if the P.E. teacher is busy?13. He will write a letter to his grandparents if he gets his report card this week.14. If she gets up late, she won't catch the early bus.15. Peter will major in English if he passes the exams in Peking University.Translate1 .如果他到得晚了會發(fā)生什么事情？2 .如果努力學(xué)習(xí)，你就會取得好成績。3 .他如果看電視太久了，他的父母會不高興。4 .如果我們?yōu)樗M織生日聚會，大家都會來的。5 .如果明天不下雨，我會和你一起去公園的。6 .如果她睡過頭了，就會旅游遲到的。7 .如果他有空，他會幫助你的。8 .