Надо составить рассказ из семи предложений в времени (по моему past simple)про говорящую собаку

A speak dog.
Once upon a time was lived a big nice dog.She didn't have home.But,one day,when she walked on the street,one old man with his sister saw her.The dog was very beautiful,and man wanted  to take her at his big home.Since,this big and blach dog lived at their home,they went for a walk and she was of course very happy.Because,she had new and very kind principals.And lived we very great and happily.
The end of story.