YOU SAID:

My cat gets hair on all of my black shirts

INTO JAPANESE

私の猫は私の黒いシャツの全てに髪の毛がかかる

BACK INTO ENGLISH

My cats have hair on all of my black shirts

INTO JAPANESE

私の猫は私の黒いシャツの全てに髪の毛があります

BACK INTO ENGLISH

My cat has hair on all my black shirts

INTO JAPANESE

私の猫は私のすべての黒いシャツに髪の毛があります

BACK INTO ENGLISH

My cat has hair on all my black shirts