YOU SAID:

I once ate a baby and it was good.

INTO JAPANESE

私は一度赤ちゃんを食べた良かった。

BACK INTO ENGLISH

I once ate a baby good.

INTO JAPANESE

私は一度良い赤ちゃんを食べた。

BACK INTO ENGLISH

I had a good time baby.

INTO JAPANESE

私は良い時間の赤ちゃんを持っていた。

BACK INTO ENGLISH

I had a good time baby.