英语中what if 怎么用啊

如果...将会怎么样
例句与用法:
1. What if it is true?
如果这是真的又该如何呢？

2. What if he doesn't agree?
如果他不同意该怎么办呢？

3. What if he comes back now?
如果他现在回来怎么办？

4. What if I fail!
即使我失败了又怎样

Examples:
1. If only he had been here.
要是他当时在这儿就好了。
2. I dread the coming exams. If only I could have time to review my lessons.
我对即将到来的考试非常担心。如果我有时间复习该有多好啊。
3. If only I had another chance.
要是我再有一次机会就好了。
4. I am so tired. If only I can take the day off tomorrow.
太疲倦了。如果明天能不上班多好。
5. If only problems would come one at a time!
要是问题一次只发生一个该多好！
6. If only it clears up, we'll go.
只要天一放晴,我们就去。
7. If only one had an unlimited supply of money!
要是财源不断就好了！
8. She would be a very good player if only she could get it together.
她若能控制得当就能成为很好的选

用在反问句后。
接近将来式。