1. I have been cooking for three hours, now im to going to watch tv
2. The road is wet it has been raining
3. We have been waiting for two hours now lets get going.
4. They have been talking on the phone for thirty minuets
5. He has been working here
6. She has been waiting for you all day
7. She has been learning english for three years
8. I have been teaching since last year
9. The students have been singing since this morning
10. Transpiration has been starting to increase since three hours ago
