1. I have been reading for 2 hours already. 2. They have been passing examination for an hours by this moment. 3. The chidren have been playing in the garden sinse 9 o'clock in the morning. 4. The dog has been barking since 5 o'clock. 5. I've been busy for an hour already
2. They have been passing examination for an hours by this moment.
3. The chidren have been playing in the garden sinse 9 o'clock in the morning.
4. The dog has been barking since 5 o'clock.
5. I've been busy for an hour already