YOU SAID:
you are the ugliest person ive ever seen
INTO JAPANESE
あなたは今まで見た中で最も醜い人です
BACK INTO ENGLISH
You're the ugliest person I've ever seen
INTO JAPANESE
あなたは私が今まで見た中で最も醜い人です
BACK INTO ENGLISH
You're the ugliest person I've ever seen
That didn't even make that much sense in English.