Add spaces: IfyourfamilyspokePunjabiinthepastyoumightwanttolearnitandpossiblyteachittoyourchildren.IfyouhaverelativeswhospeakPunjabi,learningPunjabiwillhelpyoutocommunicatewiththem.
If your family spoke Punjabi in the past you might want to learn it and possibly teach it to your children. If you have relatives who speak Punjabi, learning Punjabi will help you to communicate with them.