Помогите срочно
Нужно составить 5 предложений как на фотографии в синей рамке на английском.
Заранее спасибо

When mother came home I was doing my homework.

While I was reading a book the phone rang.

When I saw him he was riding a bike.

When he met his friend he was walking down the street.

When they opened the window the dog was barking.