Students concentrate during class.
Some people are being attentive.
One student is asleep in the room.
A man is sweeping the street.
The boy is asleep at home.
The Colonel was true to his word.
You can't find any Scottish products from the complex.
Jones is a voyeur who enjoys exaggerating the sexual activity of the subject.
Why do you never tell me about your money, Tuppence? I've never seen you with any money, and yet you dress like a rich man.