if条件句讲解及练习
If I were you, I would not let out the
secret.
如果我是你的话，我不会泄露这个秘密的。
If I knew his new address, I would
tell you.
如果我知道他的新地址，我会告诉你的。
If he studied harder, he would pass
the exam.
如果他学习再努力点的话，他会通过考试的。
If we had made fuller preparation,
we should have won the game.
如果我们做了更充分的准备的话，我们肯定就赢了这场比赛。
If you had taken my advice, you
wouldn't have been late for the meeting.
如果你听了我的建议，你开会就不会迟到了。
If she were to/should come, I would
tell her the secret.
万一她来的话，我会告诉她这个秘密。
（2）省略if的虚拟条件句
在含有were, had, 或者
should 等were,
将if, 可以省略词的虚拟条件句中，had或者should这些助动词放在句首。如：
Were I you, I would not let out the
secret.
Had we made fuller preparation,
we should have won the game.
Had you taken my advice, you
wouldn't have been late for the meeting.
Should she come, I would tell her
the secret.
高一语法练习（四）预测、if条件句
及虚拟语气
一、单项选择
1. If I _____ where he lived,
I _____
a note to him.
A. know, would have sent
B. had known, would have sent
C. know, would send
D. knew, would have sent
_____,
she If today. ill is Mary 2. she _____ absent from school.
A. were not il l; wouldn't be
B. had been ill; wouldn't have been
C. had been ill; should have been
D. hadn't been ill; could be
3. He acted as if he _____ everything in the world.
A. knew
B. knows
C. has known
D. won't know
4. If you had enough money, what
_____?
A. will you buy
B. would you buy
C. would you have bought
D. will you have bought
5. If Mr. Young _____ with justice,
he _____ such a wrong thing.
A. were treated; wouldn't do
have
B. had been treated;
wouldn't
done
C. were treated; wouldn't have
done
D. had been treated; wouldn't do