if引导的条件状语从句练习题

if引导的条件状语从句
引导条件状语从句最常用的连词是if，常见的if条件状语从句表示在某条件下，某事很可能发生，条件是可能存在的，主句中某种情况发生的概率也是很高的。

如：
If you ask him，he will help you．如果你请他帮忙，他会帮你的。

If you fail in the exam，you will let him down．如果你考试不及格，你会让他失望的。

If you have finished the homework，you can go home．如果你作业做完了就可以回家了。

另外，if从句还表示不可实现的条件或根本不可能存在的条件，也就是一种虚拟的条件或假设。

从句多用一般过去时或过去完成时，表示对现在或过去的一种假设。

如：
If I were you，I would invite him to the party．如果我是你，我会邀请他参加聚会。

I would have arrived much earlier if I had not been caught in the traffic．要不是交通堵塞，我本会来得早一些。

另外你还要注意if 条件句的时态搭配
1．if从句用一般现在时，主句用一般将来时
If he runs he’ll get there in time. 如果他用跑的，他就会及时赶到那儿。

The cat will scratch you if you pull her tail. 如果你拉猫的尾巴，它就会抓你。

2．if从句用一般现在时，主句用may/might/can
If the fog gets thicker the plane may/might be diverted. 如果雾在大一些，飞机可能就会改在别的机场降落。

If it stops snowing we can go out. 如果雪停了，我们就可以出去。

3．if从句用一般现在时，主句用must/should
If you want to lose weight you must/should eat less bread. 如果你想减肥，你必须少吃面包。

4．if从句用一般现在时，主句用一般现在时
If you heat ice it turns to water. (也可用will turn)如果把冰加热，它就会化成水。

5．if从句用现在进行时，主句用一般将来时
If you are looking for Peter you’ll find him upstairs. 如果你是在找彼得，上楼就会找到他
6．if从句用现在完成时，主句用一般将来时
If you have finished dinner I’ll ask the waiter for the bill. 如果你吃完了，我就叫服务生来算账
If条件状从句练习
（）1.If you _____ to the party, you’ll have a great time
A. will go
B. went
C. go
D. going
（）2.–What are you going to do tomorrow? --We’ll go to the library tomorrow if it ___.
A. isn’t rain
B. rain
C. won’t rain
D. doesn’t rain
（）3. What will you do if you _____ to the old folk’s home visit?
A. go
B. went
C. going
D. will go
（）4. If I eat ____ food, I’ll be very fat.
A. too many
B. many too
C. too much
D. much too
（）5. I’ll give the book to him if he ___ here next Sunday.
A. will come
B. comes
C. is coming
D. came
（）6. I ____ her the answer if she ____me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks
7. We’ll go to the farm and help the farmers with the apple-picking if it ____ tomorrow.
A. won’t rain
B. will be rainy
C. doesn’t rain
D. isn’t raining
8. There is going to _______ a sports meeting next week. If it ________, we’ll have to cancel it.
A. be, will rain
B. have, will rain
C. be, rains
9. Your teacher will be unhappy if you _______ to school late.
A. come
B. will come
C. are coming
D. came
10．I don’t know if he __. If he __ , please let me know.
A. comes, comes
B. will come, will come
C. will come, comes
D. comes, will come
二、用所给词的适当形式填空。

1.If she ______________(not get) home on time, her mom will be worried.
2.If Tom works hard, he_____________(make) a lot of money.
3.If I study hard, my dream ___________(实现).
4. If he ____________(争论)his friend, he will be very sad.
5.If you fight with your brother, what _____________(发生)?
6. Call me if he ________________(回来).
7. He can make great progress if he ____(追随，听从) my advice.
( )8. If I find his phone number, I ______ you.
A. tell
B. told
C. will tell
D. have told
( )9. I __ the CDs to you if I have time tomorrow.
A. will return
B. returned
C. have returned
D. return
( )10. The students will go to the Summer Palace if it ________tomorrow.A. won' t
rain B. isn' t raining C. doesn' t rain D. isn' t rain
( )11. I won’t watch the TV play if my father ___ m e do my homework.
A. let
B. will let
C. won’t let
D. lets
( )12. If you ___quiet, I’ll tell you what happened.
A. will
B. are C are to be D be
( )13. If you go to the party, you ___ a good time.
A. would have
B. have
C. will have
D. had
( )14. Don’t worry. Peter will call you as soon as he _____ London.
A. will get to
B. gets to
C. get to
D. got to
( ) 15.He doesn’t tell me when he ____. I’ll telephone you as soon as he _____.
A. will come, comes
B. will come, will come
C. comes, will come
D. comes, comes
( )16.-- I don’t know if Dr. White ______ to the party next week. – I think he will come if he ______ free.
A. comes; will come
B. will come; will be
C. comes; is
D. will come; is
( )17. I don’t know if there ____ a sports meeting next month. If they _____ it, I must get ready for it.
A. is; will hold
B. will be; hold
C. will be; will hold
D. will have; hold
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.
三．完成句子。

1.如果他到的晚了会发生什么事情？What ______ _____ if he ____ late?
2. 如果努力学习，你就会取得好成绩。

If you______ _______, you _____ ____good _______.
3. 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.
4. 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.
5.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.
6. 如果她睡过头了，就会旅游迟到的。

he____ ___ ___ ___ the trip if she _____
7. 如果他有空，他会帮助你的。

If he ____ ____ , he ______ ____ you.
8. 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.
9. 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.
10.如果你上课睡觉，老师会生气。

If you______ in class, your teacher ____ ____ ____
直接引语变间接引语练习题：1. “I never eat meat.” he said.
He said that ______ never ______ meat.
2. “I’ve found my wallet.” he said to me.
He ______ me that he ______ ____________wallet.
3. “You must come here before five.” he said.
He said that I ______ to go ______ before five.
4. “Don’t tell him the news.” she said.
She told me _______ ______ ______ him the news.
5. “Stop making so much noise, children.” he said.
He ______ the children ______ ______ making so much noise.
6. “Are you inte re sted in this?” he said.
He ______ ______ I was interested in ______.
7. “Do you know where she lives?” he asked.
He asked ______ ______ knew where she ______.
8. “Where have you been these days?” he asked.
He asked me _______ _______ _______been _______ days.
9. The pupil asked his teacher _____ round the earth.
A. weather the moon goes
B. that the moon went
C. whether the moon goes
D. whether the moon went
10. Betty asked her sister ____ to the railway station to see her off.
A. not to come
B. not to go
C. to not come
D. to not go
11. He asked, “How did you find it, mother?”
He asked her mother ______ ______ ______ found it.
12. She looks sad. Could you please tell me _____ that prevents her from being as happy as before?
A. what it is
B. it is what
C. how it is
D. it is how 2. 13.The teacher told the boy students ______ football on the grass.
A. not play
B. not to play
C. played
D. playing
14. Mr. Li ____ Wang Ling ____ a taxi to the airport.
A. asked; take
B. asked; taking
C. told; take
D. told; to take
15. The teacher said, “The sun rises in the east and goes down in the west.” The teacher said that the sun ______ in the east and ______ down in the west.。