Can I say,
(1) Peter and his friends were playing happily. Suddenly, a monkey jumped out from / jumped down from the tree. He grabbed the football and ran away. They felt surprised to see the monkey.
(2) While they were playing, a monkey jumped from a tree and grabbed the football suddenly.They were surprised of it.
(3) When they were playing football, suddenly, a monkey jumped out of the tree and grabbed the ball / football. They were surprised to (see) the action of the monkey.
(4) When they were playing football (happily), they saw a thing jumped down from the tree. He grabbed the ball while Peter kicked the ball (high).
(5) When they were playing happily, Peter kicked the football high. A monkey jumped from the tree and grabbed it.