YOU SAID:

If I eat cheese, then Billy is dead.

INTO JAPANESE

私はチーズを食べて場合、ビリーは死んでいます。

BACK INTO ENGLISH

I eat cheese, Billy is dead.

INTO JAPANESE

私はチーズを食べる、ビリーは死んでいます。

BACK INTO ENGLISH

I eat cheese, Billy is dead.