YOU SAID:

if i get 500 votes my family gets a dog help me pls

INTO JAPANESE

私は500票を取得した場合、私の家族は犬は私のplsを助ける

BACK INTO ENGLISH

My family helps my pls if I get 500 votes

INTO JAPANESE

私の家族は、私が500票を得た場合、私のplsを助けます

BACK INTO ENGLISH

My family will help my pls if I get 500 votes