I sit beside John in class.

在班级里我坐在约翰旁边。

I'd like to sit beside you.

我愿意坐在你旁边。

Beside Come and sit beside me.

过来坐在我旁边。

Come and sit beside us.

过来坐在我们旁边吧。

And not sit beside the next.

那么不要坐在一旁。