初中條件狀語(yǔ)從句(附答案).

1、條件狀語(yǔ)從句講解及練習(xí)一、考點(diǎn)歸納由連接詞if或 unless 引導(dǎo)的狀語(yǔ)從句叫做條件狀語(yǔ)從句。（注意：在含有條件狀語(yǔ)從句的復(fù)合句中，如果主句是一般將來(lái)時(shí)態(tài)，從句要用一般現(xiàn)在是“主將從現(xiàn)原則” 。通常譯作 假如，如果，除非。 引導(dǎo)詞：常用引導(dǎo)詞：if , unless1. if 引導(dǎo)詞用法學(xué)習(xí) if 引導(dǎo)的條件狀語(yǔ)從句的用法,現(xiàn)在總結(jié)一下:if（1）if 條件句不一般, 幾個(gè)要點(diǎn)記心間;條件句 ,放在前 , 逗號(hào)要放句中間。條件句表可能，主句多用將來(lái)時(shí)；條件句表事實(shí)，主句常用現(xiàn)在時(shí)。引導(dǎo)的條件句有：真實(shí)條件句和非真實(shí)條件句兩種:真實(shí)條件句：表示在某種條件下某事很可能發(fā)生。Eg:a) If yo

2、u ask him, he will help you. 如果你請(qǐng)他幫忙 ,他會(huì)幫你的。b)If you fail in the exam, you will let him down.如果你考試不及格, 你會(huì)讓他失望的。c) If it rains tomorrow, we wontgo on a picnic. 如果明天下雨， 我們就不去野餐。注意 ：切記緊跟著 if 的那句話(huà)是從句。（ 2） 非真實(shí)條件句是虛擬語(yǔ)氣的一種，表示與事實(shí)相反，不可實(shí)現(xiàn)的條件或根本不可能存在的條件 ,也就是一種虛擬的條件或假設(shè),從句多用一般過(guò)去時(shí)或過(guò)去完成時(shí)。Eg:a) If I were you, I wou

3、ld invite him to the party. 如果我是你 ,我會(huì)邀請(qǐng)他參加聚會(huì)。b) I would have arrived much earlier if I had not been caught in the traffic. 如果沒(méi)有堵車(chē) ,我會(huì)到的早一點(diǎn)兒。c) If I were you, I would go with him. 如果我是你 ,我會(huì)和他一起去的。2. unless 引導(dǎo)詞用法（1）固定搭配：unless = if.not除非 ,若不 ,除非在 , 的時(shí)候。 Eg:a) You will fail to arrive there in time unle

4、ss you start earlier.=If you don tstart earlier, you will fail to arrive there in time.如果你不早點(diǎn)動(dòng)身,你就不能及時(shí)趕到那兒。b) Unless it rains, the game will be played.=If it dosent rain ， the game will be played. 除非下雨 ,比賽將照常進(jìn)行。c) Lets go out for a walk unless you are too tired.d) = If you are not too tired, lets go

5、 out for a walk經(jīng)典語(yǔ)句：If it dosent rain tomorrow,we will go to the zoo.條件狀語(yǔ)從句就是用以表示在某種條件下 ,會(huì) 二、課堂練習(xí)I 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) time?3. If there _(be) fewer trees, there _( be) more pollution.4. He _(dress)more casually if

6、 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) Spa

7、in.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 _

8、( not catch) the early bus.15. Peter _(major) in English if he _(pass) the exams in PekingUniversity.15.如果他到的晚了會(huì)發(fā)生什么事情？What _ if he _ late?16. 如果努力學(xué)習(xí)，你就會(huì)取得好成績(jī)。If you_ _, you _ good _.17. 他如果看電視太久了，他的父母會(huì)不高興。If he _ TV too much, his parents _ _ unhappy.18. 如果我們?yōu)樗M織生日聚會(huì)，大家都會(huì)來(lái)的。Everyone _ if we _ a birt

9、hday party _ him.19. 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.20. 如果她睡過(guò)頭了，就會(huì)旅游遲到的。She;_ the trip if she _.21. 如果他有空，他會(huì)幫助你的。If he _, he _you.22. 如果 Tom 考試不及格，他就沒(méi)有機(jī)會(huì)上高中了。Tom _have the _to go to the _high school if he _ the exams.23. 你如果抄同學(xué)的作業(yè)就不能學(xué)好各門(mén)功課。You _ _ good at all the subje

10、cts if you _ the other studen ts homework.II. 單項(xiàng)選擇1.If you _ to the party, you ll have a great time.A. will go B. wentC. goD. going2.It will be a long time _ Peter _ his work.A. since, has finishedB. after, finishesC. when, will finishD. before, finishes.3.What will father _ us from Japan?A. takeB.

11、bring C. carryD. make4.Weifang is famous _ kites.A. forB. to C. onD. with5 I _ her the answer if she _me.A. can tell, will askB. will tell, will askC. would tell, askD. will tell, asks6. What are you going to do tomorrow?- We ll go to the library tomorrow if it _.A. isn t rainB. rainC. won t rainD.

12、doesn t rain7. Do you know when he will come back tomorrow?- Sorry, I donA. comes t know. When he _ back, IB. will comeC. comeD. may come ll tell you.8. What will you do if you _ to the old folkA. goB. wentC.goingD. will go s home visit?9. If I eat _ food, IA. too manyB. many too ll be very fat.C. t

13、oo 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. 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 readi