How to imitate the sentence?

The imitations are as follows:

1, Class is over, and during the recess, some students are playing soccer, some are running, some are chatting, and some are reading books .

2. The little raindrops are running in the creek, walking in the stream, jumping on the grass and dancing on the flowers.

3. In summer, birds sing in the trees, butterflies flutter in the flowers, frogs jump in the pond, and children play under the trees.

4. The children are playing in the kindergarten, some of them are kicking the ball, some of them are singing, some of them are playing the slide and some of them are drawing.

5. In the morning, I went to the park for morning exercise, some people were running, some were doing aerobics, some were dancing with swords, some were playing shuttlecock, and some were playing with a firecracker.