То что снизу 1
dad-he
mum and i-we
mum and dad-they
polly-she
tom-he
cat-it
girls-they
ann and i-we
bob and steve-they
dad’s hair-his hair
mum’s and my pen-our pen
mum and dad’s room-their room
polly’s doll-her doll
Tom’s bag-his bag
cat’c ball- так и пишется вроде
girl’s mirror-their mirror
ann’s and my granny-our granny
bob and steve’s desk-their desk