5.I... (not to walk) a dog since four o'clock.
6. Monica and Sue ...(to paint) the walls of the house since ten o'clock in the morning.
7. Mr May ... (to read this article for more than half an hour now.
8.It ... (not to rain) since afternoon.
9. My neighbours ... (to make) a noise since seven o'clock in the morning.
10.Brad ... (fo try) to catch a taxi for fifteen minutes now.