My wife has been gone for two weeks visiting her mother.

　　我妻子回娘家已經兩個星期了。

　　He has been gone many years now, but I think of him often.

　　父親離開我們已經很多年了，但是我時常想起他。

　　She has been gone two weeks today.

　　到今天，她已經去了兩周。