Video narration
What job does each word do in "The red ball rolls quickly"? Imagine the ball rolling across the floor during play. The sentence is: "The red ball rolls quickly." Let us check them one by one. Start with "rolls." What is the ball doing? It rolls. "Rolls" is the verb-the word that names an action. Now, "red" gives a detail about the ball. "Red" is the adjective, a word that describes a thing. Here, it describes the ball. Then find "quickly." It adds a detail about the rolling. "Quickly" is the adverb; here, it tells how the action happens. They are not doing the same job: one describes the ball, one names its action, and one tells how it happens. Red tells what the ball is like. Rolls is what it does. Quickly tells how it rolls.