YOU SAID:

Have you heard, they stopped making socks?

INTO JAPANESE

聞いたことがある、彼らは靴下を作っていない？

BACK INTO ENGLISH

I've heard of them, are not they making socks?

INTO JAPANESE

私は彼らのことを聞いた、彼らは靴下を作っていないのですか？

BACK INTO ENGLISH

I heard about them, are not they making socks?

INTO JAPANESE

私は彼らについて聞いた、彼らは靴下を作っていないのですか？

BACK INTO ENGLISH

I heard about them, are not they making socks?