YOU SAID:

i had a baby and ate it

INTO JAPANESE

私は赤ちゃんがいて、それを食べた

BACK INTO ENGLISH

I was baby and ate it

INTO JAPANESE

私は赤ちゃんだったし、それを食べた

BACK INTO ENGLISH

I was a baby and I ate it

INTO JAPANESE

私は赤ちゃんだった、私はそれを食べた

BACK INTO ENGLISH

I was a baby, I ate it

INTO JAPANESE

私は赤ちゃんだった、私はそれを食べた

BACK INTO ENGLISH

I was a baby, I ate it