ain't

abbr

• ① =am not; are not; is not
  • They ain't coming.他们不来了。
  • I'm invited too, ain't I?我也受到邀请,不是吗?(★常用于尾问句)
  • Things ain't what they used to be.情况已不如往昔(★此为惯用语)。

• ② =has not; have not
  • They ain't done it.他们没有做那件事。