YOU SAID:

Tonight gonna have myself a real good time

INTO JAPANESE

今夜は私自身が本当の楽しい時間を過ごすつもりです

BACK INTO ENGLISH

Tonight I am going to have a real fun time myself

INTO JAPANESE

今夜私は自分自身で楽しい時間を過ごすつもりです

BACK INTO ENGLISH

I am going to have a good time by myself tonight

INTO JAPANESE

私は今夜自分で楽しい時間を過ごすつもりです

BACK INTO ENGLISH

I am going to have a good time by myself tonight