YOU SAID:

my day was so terrible i'm gonna execute myself

INTO JAPANESE

私の日はとてもひどいものだった私は自分自身を実行するつもりです

BACK INTO ENGLISH

My day was so terrible i'm going to do myself

INTO JAPANESE

私の日はとてもひどいものでした私は自分でやるつもりです

BACK INTO ENGLISH

My day was so terrible I'm going to do it myself

INTO JAPANESE

私の日はとてもひどいものでした私はそれを自分でやるつもりです

BACK INTO ENGLISH

My day was so terrible I'm going to do it myself