pp of go.

/gɒn; [US] gɔ:n; ˇɔn/ adj
1 [pred 作表语] past; departed 过去; 离去
*Gone are the days when you could buy a three-course meal for under 1. 一顿饭吃三道菜不到1英镑, 这日子一去不复返了.
2 (used after a phrase expressing time in weeks or months 用于表示星期或月的时间短语之後) having been pregnant for the specified period of time 已怀孕一段时间的
*She's seven months gone. 她已有七个月的身孕.
3 (idm 习语) be gone on sb (infml 口) be very much in love with sb; be infatuated with sb 与某人热恋; 迷恋某人
*It's a pity Peter's so gone on Jane. 彼得如此迷恋简, 真遗憾. ,going, ,going, `gone (said by an auctioneer to show that bidding must stop because an item has been sold 拍卖商用语, 表示某物售出而停止出价).

prep later than; past (in time) 晚于; （时间上）已过
*It's gone six o'clock already. 现在已过了六点钟.