помогите пожалуйста разобраться задание 8 и 9

8.1)Their house2)our garden3)my line4)his older sister5)our family tree6)her younger brother7)your family9.1 her umbrella, 2 her cup.3 his car, 4 his computer.5 their room, 6 their books.7 Its ball, 8 its food.