"He has rice and the sandwich."
Translation:Tá rís agus an ceapaire aige.
Depends on your dialect but generally its pronouced ah geh .. the g being pronounced the same way you would when saying gate. Sorry if that doesnt clear things up.
Preposition in Irish combine with pronouns. When the preposition ag combines with the 1st person singular pronoun mé, you get agam. When the preposition ag combines with the 3rd person singular pronoun é or sé, you get aige.
Tá ceapaire agam - "I have a sandwich"
Tá ceapaire aige - "He has a sandwich"