Встать артикли there was umbrella on chair 2)once there lived old man man had elephant and monkey anton is best sportsman in our school 4)let's go for .. walk in evening 5)who can play piano

There was an Umbrella on the Chair
2)once there lived an Old man the Man had the Elephant and the Monkey
3) Anton is the Best sportsman in our school 
4)let's  go for a Walk in Evening
5)who can play  Piano