初中條件狀語從句-精講和練習(xí)含答案

1、精品資料歡迎下載初中英語：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1.Ifconj .如果，假如If you ask him， he will help you如果你請(qǐng)他幫忙，他會(huì)幫你的。If you fail in the exam， you wi

2、ll let him down如果你考試不及格，你會(huì)讓他失望的。2.unless conj.除非,若不,除非在 的時(shí)候（ if .not.）You will fail to arrive there in time unless you start earlier.Unless it rains, the game will be played.除非下雨如果你不早點(diǎn)動(dòng)身,比賽將照常進(jìn)行。, 你就不能及時(shí)趕到那兒。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

3、的書借去。三關(guān)于條件句的時(shí)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(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(zhǎng)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 when you are in the reading room.在閱覽室時(shí)應(yīng)保持安靜。四

4、知識(shí)拓展1 在以 when， 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)。I'll tell her the good news when 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。2.If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

5、 hard,you will make 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 hurry up.you will be late. 如果你不快點(diǎn)， 你就要遲到了。精品資料歡迎下載條件狀語從句練習(xí)精講（含答案） .單項(xiàng)選擇1. If you _ to the party, you ll have a great time.A. will goB. wentC. goD. going2. It will be a long time _ Peter _ his work.A. sin

6、ce, has finishedB. after, finishesC. when, will finish3. What will father _ us from Japan?A. takeB. bringC. carryD. make4. Weifang is famous _ kitesA. forB. toC. onD. with5 I _ her the answer if she _me.A. can tell, will askB. will tell, will askC. would tell, askD. before, finishes.D. will tell, as

7、ks6. What are you going to do tomorrow?-We ll go to the library tomorrow if it _.A. isn t rainB. rainC. 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. comesB. will comeC. comeD. may come8. What will you do if you _ to th

8、e old folk s home visit?A. goB. wentC. goingD. will go9. If I eat _ food, I ll be very fat.A. too manyB. many tooC. too muchD. much too10. I ll give the book to him if he _ here next Sunday.A. will comeB. comesC. is comingD. came11. There _an English film in our school tomorrow.A. is going to haveB.

9、 will haveC. is going to beD. 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 mother returned last night, I _a book.A. readB. am readingC. was readingD

10、. am going to read14. What _ you _ when it began to rain?A. do, doB. were, doingC. are, doingD. did, do15. I ll wake you up when he _back.A. willB. is going to comeC. comesD. comeAnswers ：1-5 CDBAD6-10 DAACB11-15 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 _(

11、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.精品資料歡迎下載6. Lana _ (buy) a new dress if the old one _ (be) out of style.7. The twins _ (figh

12、t) 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 match if the

13、 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 have2 willseehas3 are, will be

14、4 will dresses,doesn t work5 lives, will keep6 will buy, is7 will fight,argue8 will have, need9 will send,visits10 says,will feel11 will go,doesn t rain12 Will haveis13 will writes,gets14 gets, won t15 will major,passesIII 完成句子1.如果他到得晚了，會(huì)發(fā)生什么事情？What _ if he _ late?2. 如果努力學(xué)習(xí)， 你就會(huì)取得好成績(jī)。If you_ _, you

15、_ good _.3. 他如果看電視太久了，他的父母會(huì)不高興。If he _ TV too long, his parents _ _unhappy.4. 如果我們?yōu)樗M織生日聚會(huì)，大家都會(huì)來的。Everyone _ 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。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 hig

16、h school if he _the exams.9. 如果這個(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。_Answers1. was happened， came late?2 work hard,will get， success.3. watch, will be4 will come,hold, for5 doesn t rain,will,with6 will be late for school,sleeps late7 isntfree,won t help8 won

17、 tchancefails9 breaks the window , will be angry at him10. If it doesn t rain tomorrow, I will go out to have a picnic.精品資料歡迎下載1.If 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. He will dress m

18、ore 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 a beautiful souvenir i

19、f 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 wontcatch 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(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(jī)。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