YOU SAID:

i eat hotdogs and they are good.

INTO JAPANESE

私はホットドッグを食べて、彼らは良いです。

BACK INTO ENGLISH

I ate hot dogs, they are good.

INTO JAPANESE

私はホットドッグを食べた、彼らは良いです。

BACK INTO ENGLISH

I ate a hot dog, they are good.

INTO JAPANESE

私はホットドッグを食べた、彼らは良いです。

BACK INTO ENGLISH

I ate a hot dog, they are good.