Sentence:  There are some children who just like to talk about others. They are not reporting. They are <WSD>tattling</WSD>, telling one negative after another. Their goal is to get others in trouble. ... Children sometimes do not mean to <WSD>tattle</WSD> about someone else. They do it because they are having a problem with another child and just don't know any other way to handle the problem. 
Meaning of the word marked with <WSD> tags:  (to report others' wrongdoings or violations) "Often said of children": to report incriminating information about another person, or a person's wrongdoing; to tell on somebody. (from late 15th c.)