Derek has a computer. Derek's computer got a virus on it. Derek couldn't use his computer once it had gotten a virus on it. Derek had to get his computer repaired. Derek's computer was usable once again after the repair.
derek has a computer . derek ' s computer got a virus on it . derek couldn ' t use his computer once it had gotten a virus on it . derek had to get his computer repaired . derek ' s computer was usable once again after the repair .
Derek's computer was usable once again after the repair.