YOU SAID:

I dont know but i have an egg

INTO JAPANESE

私は知らないが、卵があるよ

BACK INTO ENGLISH

I don't know, but there's eggs

INTO JAPANESE

私は知らないが、卵があります。

BACK INTO ENGLISH

I don't know about the eggs.

INTO JAPANESE

卵のことは知らなかったわ

BACK INTO ENGLISH

I didn't know about the eggs.

INTO JAPANESE

卵のことは知らなかったわ

BACK INTO ENGLISH

I didn't know about the eggs.