John Brown is in the living-room. His wife, Helen, is in the kitchen. She is calling him.
Helen: Is the baby with you, John ? He’s not in the kitchen.
John: He isn’t here, Helen. He is in his room.
Helen: Please go and see, John. He’s very quiet.
John: He’s not in his room, Helen.
Helen: Is he in our bedroom ?
John: No, he’s not. He’s in the bathroom.
Helen: What is he doing ?
John: He’s cleaning his shoes with your toothbrush !