YOU SAID:

My cat died yester day and now I'm sad ;-;

INTO JAPANESE

私の猫が昨日死んだ、今悲しい;-;

BACK INTO ENGLISH

Now my cat died yesterday, sadly;-;

INTO JAPANESE

今、私の猫は悲しい; 昨日、死亡した-。

BACK INTO ENGLISH

Now, my cat is sad; Died yesterday,-.

INTO JAPANESE

今、私の猫は悲しいです。昨日、死亡した-。

BACK INTO ENGLISH

Now, my cat is sad. Died yesterday,-.

INTO JAPANESE

今、私の猫は、悲しいです。昨日、死亡した-。

BACK INTO ENGLISH

Now, my cat is sad. Died yesterday,-.