swim-swimming pool - in a swimming pool--He is swimming in a swimming pool
cloud- black cloud-many black clouds -- There are many black clouds in the sky
grass-green grass- eat green grass--- Some animals like to eat green grass
flowers--red flowers--many red flowers--There are many red flowers in the garden
In summer,it is very hot.People wear cool clothes .Many people go swimming.some farmers plant trees too.This summer I will go on a trip.I will go swimming and do some sports.I like exercising.I will play volleyball on the beach.I will have a good time.