例句：

　　If only you had told me that some time ago.

　　要是你之前告訴我那件事該多好。

　　If only he'd remembered to send that letter.

　　要是他沒(méi)忘記發(fā)那封信就好了。

　　If only I could have helped put matters right.

　　要是我當(dāng)時(shí)能幫著把錯(cuò)誤糾正過(guò)來(lái)就好了。

　　'If only I had known you then,' he said wistfully.

　　“要是我那時(shí)認(rèn)識(shí)你就好了。”他向往地說(shuō)道。