YOU SAID:

Now you wouldn't mind if I went down there

INTO JAPANESE

今、私がそこに行ってもかまいません

BACK INTO ENGLISH

I don't mind if I go there now

INTO JAPANESE

今行っても構わない

BACK INTO ENGLISH

You can go now

INTO JAPANESE

もう行きなさい

BACK INTO ENGLISH

You can go now.

INTO JAPANESE

もう行きなさい

BACK INTO ENGLISH

You can go now.