YOU SAID:

shrek came into my room last night and beat me half to death while i sang him happy birthday

INTO JAPANESE

昨夜シュレックが私の部屋に入ってきて、私が彼のハッピーバースデーを歌っている間に私を半分殴り殺した

BACK INTO ENGLISH

Shrek came into my room last night and beat me half to death while I was singing his Happy Birthday.

INTO JAPANESE

昨夜シュレックが私の部屋に入ってきて私がハッピーバースデーを歌っている間に私を半分殴り殺した

BACK INTO ENGLISH

Last night, Shrek came into my room and beat me half to death while I was singing Happy Birthday.

INTO JAPANESE

昨夜、シュレックが私の部屋に入ってきて、私がハッピーバースデーを歌っている間に私を半分殴り殺した。

BACK INTO ENGLISH

Shrek came into my room last night and beat me half to death while I was singing Happy Birthday.

INTO JAPANESE

昨夜シュレックが私の部屋に入ってきて、私がハッピーバースデーを歌っている間に私を半分殴り殺した。

BACK INTO ENGLISH

Shrek came into my room last night and beat me half to death while I was singing Happy Birthday.