YOU SAID:

So we are back in the mine.

INTO JAPANESE

我々は鉱山に戻った

BACK INTO ENGLISH

We went back to the mine.

INTO JAPANESE

私たちは鉱山に戻りました。

BACK INTO ENGLISH

We're back in the mine.

INTO JAPANESE

鉱山に戻った

BACK INTO ENGLISH

I'm back in the mine.

INTO JAPANESE

俺は鉱山に戻った

BACK INTO ENGLISH

I went back to the mine.

INTO JAPANESE

鉱山に戻った

BACK INTO ENGLISH

I'm back in the mine.

INTO JAPANESE

俺は鉱山に戻った

BACK INTO ENGLISH

I went back to the mine.