Read, point and say . Use Our or Their.
1. We've got a blue car.
2. They've got a yellow house.
3. We've got old drandparents
4. They've got a pink car.
5. They've got young grandparents.
6. We've got a white and blue house.

Our new carTheir yellow houseOur old grandparentsTheir pink carTheir young grandparentsOur white and blue house