YOU SAID:

now go stand in the corner and think about what you did

INTO JAPANESE

さあ隅に立って自分が何をしたのか考えてみましょう

BACK INTO ENGLISH

Now stand in the corner and think about what you've done

INTO JAPANESE

今、隅に立って、自分が何をしたか考えてください

BACK INTO ENGLISH

Now stand in the corner and think about what you did

INTO JAPANESE

今、隅に立って、自分が何をしたか考えてください

BACK INTO ENGLISH

Now stand in the corner and think about what you did