你什么时候到的 -刚到，你呢？

When did you get here?-Just now. You?

你什么时候有空，就什么时候到我办公室来谈一谈。

Come to my office and have a talk with me whenever you are free.

嘿，芭雷阵雨，你什么时候到的?。

Kevin: Hey, Barry, when did you get here?