1 - I woke up at 9:30 this morning, but I was still in bed. How long have I been awake?
2 - He has lost his consciousness. and I think he got some broken bones. How long have you beaten him? Are you crazy?
3 - Wow! this is an amazing place. Since when have you been here?
4 - You are still establishing this building. Why does it take you so long? How long have you been building this project?
5 - I have been here since yesterday, and I feel that I can't bear living in this place. How long will I have to be here?