YOU SAID:

Hi I'm the best person who has ever lived.

INTO JAPANESE

こんにちは私は今まで住んでいた最高の人です。

BACK INTO ENGLISH

Hello is the best person I have lived until now.

INTO JAPANESE

こんにちは、これまで私が住んでいた最高の人です。

BACK INTO ENGLISH

Hello, this is the best person I have lived until now.

INTO JAPANESE

こんにちは、これは私が今まで住んでいた最高の人です。

BACK INTO ENGLISH

Hello, this is the best person I have lived until now.