I've eaten all my sandwiches. Can I have one of yours?
Tell Richard to not forget his book. And you mustn't forget yours
George has lost his pen (his). Ask Mary to lend him one/hers (one/hers) - ambele au sens, te las pe tine sa alegi
We've already had dinner. Have they had theirs?
Richard has a dog and so have I. I dog and had a fight - nu stiu la a 2-a.
I have brought my brook. Where is it?
Your house is big. Mine is smaller.