YOU SAID:

Tonight we joust on the rooftop

INTO JAPANESE

今夜僕らは屋上で馬上試合をする

BACK INTO ENGLISH

Tonight we're having a game on the roof

INTO JAPANESE

今夜は屋上でゲームをするんだ

BACK INTO ENGLISH

We're playing games on the roof tonight

INTO JAPANESE

今夜は屋上でゲームをするよ

BACK INTO ENGLISH

I'm going to play games on the roof tonight

INTO JAPANESE

今夜は屋上でゲームをするつもりです

BACK INTO ENGLISH

I'm going to play games on the roof tonight