Verbs: - A verb is a word that expresses an action, occurrence, or state of being. It is the main part of a sentence and is often referred to as the “doing” or “being” word. Examples: run, eat, sleep, think.

Verb Moods: - Verb moods indicate the attitude or manner in which the action or state of being is expressed. There are three main verb moods: 1. Indicative mood: used to state facts or ask questions. 2. Imperative mood: used to give commands or make requests. 3. Subjunctive mood: used to express hypothetical or unreal situations.

Active and Passive Verbs: - Active verbs: These verbs show that the subject of the sentence is performing the action. Example: “She wrote a letter.” - Passive verbs: These verbs show that the subject of the sentence is receiving the action. Example: “The letter was written by her.”

Action, Linking, and Helping Verbs: - Action verbs: These verbs show physical or mental actions. Example: “He ran to catch the bus.” - Linking verbs: These verbs connect the subject of the sentence to a noun, pronoun, or adjective that renames or describes it. Example: “She is a doctor.” - Helping verbs: These verbs assist the main verb in a sentence. They can indicate tense, mood, or voice. Example: “I am studying for my exam.” (The helping verb “am” is assisting the main verb “studying.”)