1. I last wore that shirt in May => I haven't worn that shirt since May
2. We have met each other for ages => It's ages since we last met each other
3. Travelling by air is much more expensive than travelling by train => Travelling by train is not as expensive as travelling by air
4. Why isn't this TV working? => What is wrong with this TV?
5. When is John and Mary's wedding? => When are John and Mary getting married?
6. Most people can understand him when he speaks English. => He can make most people understand him when he speaks English
7. She needs to study harder. => She doesn't study hard enough
8. We can't afford to buy this car. => The car is too expensive for us to buy
* Chúc bạn học tốt!