内容正文:
If引导的条件状语从句的讲解与练习
一、if从句的位置
if引导的从句可以放在主句之前,也可以放在主句之后。
Eg: If you do not feel well, go to see the doctor.
Go to see the doctor if you do not feel well.
2、 if从句的类型:
1. if从句+祈使句(表建议: 如果......就......)-----主祈从现
Eg: If you want to go to the cinema, call me.
2. if从句,主语+will(not) +V.(动词原形)-----主将从现
Eg: If you start now, you'll finish it before dinner.
If it is sunny tomorrow, we will go for a picnic.
3. if从句,主语+may(might)/could+V.(动词原形)-----主情从现
Eg: If you work hard, you might not make so many mistakes.
即学即练
一 、单项选择。
1. If you _____ to the party, you’ll have a great time
A. will go B. went C. go D.going
2. 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
3 – 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
4. What will you do if you _____ to the old folk’s home visit?
A. go B. went C.going D. will go
5. If I eat ____ food, I’ll be very fat.
A. too many B. many too C. too much D. much too
6. I’ll give the book to him if he ___ here next Sunday.
A. will come B. comes C. is coming D. Came
7. Our world will get better and better each of us lives a greener life.
A. before B. if C. though D. until
8. If he ________hard, he will get good grades
A. study B. studies C. will study D. studied
9. I want to know if Mary________ to the party tomorrow.
A. go B. went C. will go D. goes
10. Everyone must dress up. If you_______ ,they won’t let you in. A. don’t B. won’t C. can’t D. mustn’t
11. Johnson won't answer the phone if he _______ the number.
A. knew B. doesn't know C. will know D. didn’t know
12. If Nancy_