arent的过去式是werent
arent是are not 的常用口语形式;am not的口语形式，用于疑问句或附加疑问句中。
例句
Oh come now, things arent as bad as all that.
哦，好啦，情况并不是那么糟。
You\'re a great one for quizzes, aren\'t you?
你是智力竞赛老手，不是吗？
You\'re new here, aren\'t you?
你是新来的，是吗？
There aren\'t that many people here.
这里并没有那么多人。
