Susan has been on a diet for 3 weeks and she's already lost 2kg.
Mr. Smith had clients all moring.
He sold 2 cars.
I'm living in the USA and i don't miss the country.
Paul has been playing chess for 2 hours. He hasn't played against Tom yet.
Miss Jones has been speaking on the phone to her friend for 30 minutes.
She has already consumed 51 pennies for the chat.
What have you done all afternoon? Have you been waiting for me?