YOU SAID:

i stab someone on this party and eat him!!!!

INTO JAPANESE

私はこのパーティーで誰かを刺して、彼を食べる!!

BACK INTO ENGLISH

I will stab someone at this party and eat him !!

INTO JAPANESE

私はこのパーティーで誰かを刺し、彼を食べるでしょう！

BACK INTO ENGLISH

I will stab someone at this party and eat him!

INTO JAPANESE

私はこのパーティーで誰かを刺し、彼を食べる！

BACK INTO ENGLISH

I stab it someone at this party and eat him!

INTO JAPANESE

私はこのパーティーで誰かを刺すと彼を食べる！

BACK INTO ENGLISH

I ate someone at this party and eat him!

INTO JAPANESE

私はこのパーティーで誰かを食べ、彼を食べる！

BACK INTO ENGLISH

I ate someone at this party and eat him!