помогите пожалуйста я просто плохо поняла эту тему и теперь мучеюсь

1. Hello, Lucy. Where is YOUR mum?
2. The birds are in the tree. Can you see THEM.
3. Jenny has got a new coat. That coat is HERS.
4. I am Emma and this is MY house.
5. Dad is in the car. Look at HIM.
6. Look at ME! I can ride a bike.