YOU SAID:

When my dog eats chocolate he does not dies

INTO JAPANESE

彼はチョコレートが死ぬ私の犬を食べるとき

BACK INTO ENGLISH

When he eats chocolate died my dog

INTO JAPANESE

彼はチョコレートを食べると私の犬が死んだ

BACK INTO ENGLISH

My dog died and he eats chocolate

INTO JAPANESE

私の犬が死亡し、彼はチョコレートを食べる