1. We'll have cleaned every room in the house by eight o'clock.
2. At 8.30 I'll be lying in bed - I'm so exhausted!
3. Will your brother go to university if he does well in his exams next year?
4. Yes, and if he gets really good marks, he'll study medicine and become a doctor.
5. Will people be still using mobile phones in 2050?
6. No, I don't think so. Within thirty years, we'll have invented better technologies than mobile phones.