请帮我找这篇英语作文的十个错误.
it's four thirty in the afternoon.it's time to going home.Ann and kate go to home together.the girl in purple blonse is Kate.on the way they come into an very big shop.they go into the shop to buy some banana.kate would like a glass of milk,too.there are a big tree in front of the shop.Ann wants to buy a blouse for his mother.So they go to another shop .there they find much sweaters and some coats.Ann doesn't like the colour.So he wants to go home.At last they go home on foot.