This is the best computer I have ever used. => I have never used the bette computer than this before.He has not chatted with his classmate through the internet for ages. => It'd age since he last chatted with his classmate through the internet.Trung's parents gave him a microcomputer on his birthday. => Trung was given a microcomputer on his birthday.He has never played a computer game before. => This is the first time he has played a computer game.We haven't seen her since we left university. => The last time we saw her was when left university.She started living here in 1980. => She has has lived here since 1980."It's your house far from the school?" I asked her. => I asked whether her house was far from the school."There room are cleaned everyday by my sister" said the boy. => The boy said that these room were cleaned everyday by his siter."You have to take at least two bottles of water." Tam's father said => Tam's father said that she had to take at least two bottles of water.People sell English books in that shop. => English books are sold in that shop.They asked me some difficult questions at the interview. => I was asked some difficult questions at the interview.People completed Sydney Opera House in 1973. => Sydney Opera House was completed in 1973.Peolpe didn't organize this festival some years ago.How do people cook this kind of good? => How is this kind of food cooked?Have you tidred the kitchen? => Has the kitchen been tidied by