YOU SAID:
i am very sad and my dog just died
INTO JAPANESE
私はとても悲しくて犬は亡くなりました
BACK INTO ENGLISH
I was very sad and the dog died
INTO JAPANESE
私はとても悲しくて犬は亡くなりました
BACK INTO ENGLISH
I was very sad and the dog died
That didn't even make that much sense in English.