`tis gone 是“It is gone”（在句首）或“it is gone”（不在句首）的缩写，意思是“那已经过去...”“它已逝去”“...已逝去”。前上方的逗号表示缩写，现在由于频繁使用，这个缩写的符号有些地方有些时候也可能省略。it本身是主语或形式主语，它可以作为后面的短语或句子的代词。因为缩写了，尤其适合用于歌词、诗歌、会话中。或许也可以是“That is gone”（在句首）或“that is gone”（不在句首）的缩写，意思和作用同It is gone.../it is gone...。

下面是一些公开发表的部分短语或句子：

'Tis gone, and for ever, the light we saw breaking, Like Heaven's first dawn o'er the sleep of the dead --

Sa stins Viata ('Tis gone the life of Venice), for voice & piano Composer:

'Tis gone, and the gleams it has left of its burning,...

Alas, 'tis true I have gone here and there ...

Shakespeare Sonnet 110: Alas! 'tis true I have gone here and there ...

Such as would please :--'tis gone, 'tis gone, 'tis gone. You are welcome, gentlemen ! ...

'Tis gone, 'tis gone, 'tis gone. Mgr: Concussion now hath made its masterpiece.