1. This is a bad song.
This is a worse song.
This is the worst song.
2. He is a good engineer.
He is a better engineer.
He is the best engineer.
3. He brought her a beautiful flower.
He brought her a more beautiful flower.
He brought her the most beautiful flower.
4. He told us about the happy man.
He told us about the happier man.
He told us about the happiest man.