YOU SAID:

I dont have a family so I can't get a cat :D

INTO JAPANESE

私には家族がいないので猫を飼うことができません：D

BACK INTO ENGLISH

I can't have a cat because I don't have a family: D

INTO JAPANESE

家族がいないので猫を飼うことはできません：D

BACK INTO ENGLISH

I can't have a cat because I don't have a family: D