Answer and Explanation:
You are asking us to find the verbs in the paragraph.
A verb is a word that expresses an action or a state. It is part of the predicate and helps introduce the information about the subject. It agrees with the subject, that is, if the subject is plural, the verb is also plural.
Having that explanation in line, let's highlight the verbs in the paragraph
John's friends visit him and they like his house. John and his friends go to the forest and cut down more and more and more trees, to build more and more houses. Soon there are not more trees. There aren't any flowers. There are not any animals. The lake is dirty. The people are sad and thirsty. John goes to the forest." What happened?" John asks the tree. "You cut down the trees in the forest. Now the animals do not have food to eat or a place to live. The lake is dirty so there aren't any fishes", says the tree. "What can I do?" asks John. "Plant trees and clean the lake", says the tree. John and his friends plant trees and they clean the lake. Now the trees are tall and have leaves. There are flowers. The animals are back in the forest. There are fishes in the lake. The forest is cool again. Everyone is happy.