大学英语四级语法部分虽不单独设题，但贯穿于听、读、写、译各题型中。扎实的语法基础，是达成全方位突破的首要条件。新东方在线整理了2025年12月英语四级高级语法：虚拟语气，供各位考生参考。
2025年12月英语四级高级语法：虚拟语气
虚拟语气
1. if 引导的虚拟语气
2. 倒装形式
Were I you , I would get up early in the morning.
Had you arrived at the station ten minutes earlier yesterday, you could have caught the train.
Should it rain , the crops would be saved.
馒头面条原理
固定句型
It is time that ...
Would rather that .....
.I would rather he came tomorrow than today.
.John would rather that she had not gone to the party yesterday evening.
.I would rather everything hadn t happened in the past.
“It is +形容词+that……”结构中的虚拟语气
1. It is necessary that we have a walk now.
2.It was necessary that we make everything ready ahead of time.
3. It is required that nobody smoke here.
4. It is important that every pupil be able to understand the rule of school.
训练
1. He’ll be busy this afternoon. If he ___ free, he ___ to the cinema with you.
A.were to be; might go B. am going to be; will go
C.will be; might have gone D. is; will go
2. When Edison died, it was proposed that the American people _____ all power in their homes, streets, and factories for several minutes in honor of this great man.
A. turn off B. turned off
C. would turn off D. had turned off
3. Had I known her name, _____.
A. or does she know mine? B. and where does she live?
C. I would have invited her to lunch D. she would be beautiful
4. I’d rather you ______ by train, because I cant bear the idea of your being in an airplane in such bad weather.
A. would go B. should go
C. went D. had gone
5. The victim ________ if he had been taken to hospital in time.
would have a chance to survive
6. The professor required that ________ 。
we hand in our research report
7. If Sept. 11 had never happened, the airport workers would not have been arrested and could have gone on quietly living in America, probably indefinitely.
8. W: What would you do if you were in my place?
M: If Paul were my son, I’d just not worry. Now that his teacher is giving him extra help and he is working hard himself, he’s sure to do well in the next exam.
Q: What’s the man’s suggestion to the woman?
13. A) Teaching her son by herself. C) Asking the teacher for extra help.
B) Having confidence in her son. D) Telling her son not to worry.
1.You’d better take a sweater with you ________________
in case it turn cold.
10. If she had returned an hour earlier , Mary . 09.6
. wouldn’t have been caught by the rain
11. You would not have failed if you __________________________.
had followed my instructions/orders
以上就是新东方在线大学英语四级频道为大伙收拾的“2025年12月英语四级高级语法：虚拟语气”，期望大伙可以更好的学会大学英语四级语法攻略，提升大学英语四级水平。
