So what is intonation in American English?

　　What do Americans do?

　　We go up and down staircases.

　　We start high and end low.

　　Every time we want to stress a word or an idea, we just start a new staircase.

　　That sounds simple enough, but when and where do you start a new staircase?

　　Statement Intonation with Nouns

　　Intonation or pitch change is primarily used to introduce new information.

　　This means that when you are making a statement for the first time, you will stress the nouns.

　　Dogs eat bones.