1、Are you回答Yes，I am、No，I am not.
2、Are they回答Yes，they are、No，they are not.
3、Are we回答Yes，we are、No，we are not.
are的单数形式is.
is.
释义是。
语法be的第三人称单数现在时形式，常放在其他词后缩写为 -’s。
例句
I think that it is not coincidental that we now have arguably the best bookshops in the world.
我认为我们现在拥有了可以说是世界上最好的书店，这并非巧合。
