Yesterday after school

Yesterday after school when I was walking home with my sister and brother one minute said there's 20 dollars on the ground so we picked it up and sprinted home.when we got home we knocked on the door my mum came to the door and i said to mum guess what and she said what and i said me and Chiina found 20 dollars she was suprised mum told us to go and tell our uncle that we found 20 dollars was he suprised