if only后的句子用虚拟语气解析

if only 与 I wish一样，也用于表示与事实相反的愿望，其后所虚拟语气的时态与 wish 后所接时态的情况相同：

1、表示与将来情况不同：if only＋ 从句主语＋would(could, might)+动词原形

：If only she would try again.

我希望她能再试一次

If only she would go with me! 她要是愿意和我一道去就好了!

If only it would stop raining! 雨要是停了就好了。

If only she would marry me!

她要是能嫁给我该多好！

2、表示与现在情况不同：if only＋从句主语＋动词过去式

：If only I wasn’t going to London.

我希望我没去过伦敦.

If only he didn't drive so fast. 但愿他车没开得那么快。

If only I were [was] better looking. 要是我长得漂亮些就好了

If only I were as clever as you!要是我和你一样聪明就好了。

3、表达与过去情况不同：if only＋从句主语＋would/could have/had＋过去分词

：If only you had come to my birthday party.

你要是来了我的生日晚会就好了。

If only I had listened to my parents! 我要是当时听了父母的话就好了。

If only she had had more courage! 她再勇敢一些就好了。

If only the ambulance had arrived in time.

要是救护车及时赶到就好了。

注意：if only 通常独立使用，没有主句。表示：要是……就好了。