A lot of things in this page are wrong, but I go publish this anyway.

再周见,see you next week.

我在日本工作, This can be said

我是在日本工作的? –> probably no

Is this possible?

现在我到东京去

现在我是到东京去

我家离学校三公里。

我是离家学校三公里的。

update: the emphasis is on what you did in the past. thus,

去年我在东京工作 can be said 去年我是在东京工作的。

can we say this? this is the phone I bought.

这是我买的手机。

已经 already 过 guo 一起 yiqi together 也 ye too

我已经去过中国。

我he一起去饭馆

On this day..