When do you use verb?

It seems you're asking about the word "verb" and when to use it. Let's break down what a verb is and when you might use it in different situations:

What is a Verb?

* The action word: A verb describes an action, state of being, or occurrence. It tells us what someone or something is doing, feeling, or experiencing.

* Essential for sentences: Every complete sentence needs a verb.

* Examples: *run*, *jump*, *think*, *be*, *feel*, *happen*

When Do You Use Verbs?

You use verbs whenever you want to:

* Describe an action: "The cat chased the mouse."

* Show a state of being: "She is happy."

* Express a feeling: "He felt nervous."

* Indicate an occurrence: "The rain began to fall."

Examples of Verb Usage:

* Telling a story: "The knight rode his horse across the field and fought the dragon."

* Writing a description: "The flowers bloomed in vibrant colors."

* Giving instructions: "Please close the door."

* Asking a question: "Do you understand?"

Important Note:

Verbs change form depending on the tense (past, present, future) and the subject (who or what is doing the action). For example:

* Present tense: "I walk to school."

* Past tense: "I walked to school yesterday."

* Future tense: "I will walk to school tomorrow."

Let me know if you have any other questions about verbs or grammar!