1. I can't play the guitar as well as he can.
->He is a better guitar player than me.
2. Haven't you got any cheaper tickets?
-> Are those the cheapest tickets you've got?
3, You talk far more quickly than Julie.
-> You don't talk as slowly as Julie.
4. I've never been to a less exciting concert.
-> It was the least exciting concert I've ever been to.
5. I'd never been so busy before.
->I was busier than I'd ever been before.
6. Paul didn't learn English as quickly as I did.
-> I learnt English more quickly than Paul did.
7. Mum doesn't speak English as well as Dad.
->Dad speaks English better than mum does.
8. Cars are faster than buses.
-> Buses aren't as fast as cars.
9. There are fewer accidents at traffic lights than at roundabouts.
-> There aren't as many accidents at traffic lights as at roundabouts.
10. Long-distance coaches are less comfortable but cheaper than trains.
-> Trains are more comfortable but more expensive than long-distance coaches.
11. In the seventies, traffic conditions weren't as bad as they are now.
-> Now the traffic conditions is better than it was in the seventies.
12. Petrol and diesel vehicles pollute the atmosphere more than electric ones.
-> Electric vehicles does not pollute the atmosphere as much as petrol and diesel ones.