YOU SAID:

I ate a pillow at the Christmas party and everyone cheered

INTO JAPANESE

クリスマスパーティーで枕を食べてみんなが応援した

BACK INTO ENGLISH

I ate a pillow at a Christmas party and everyone backed me up.

INTO JAPANESE

クリスマスパーティーで枕を食べてみんな応援してくれた。

BACK INTO ENGLISH

Everyone ate a pillow at the Christmas party and supported me.

INTO JAPANESE

クリスマスパーティーでみんな枕を食べて私を支えてくれた。

BACK INTO ENGLISH

Everyone ate a pillow at the Christmas party and supported me.