make an adverb
slow
slowly
A turtle is ... than a lion. (slow)
A turtle is slower than a lion.
She is ... girl in the class. (fast)
She is the fastest girl in the class. (it's an adjective!)
careful
carefully
I speak ... than my classmates. (quiet)
I speak more quietly than my classmates.
These mountains are ... ones that I have ever seen. (beautiful)
These mountains are the most beautiful ones that I have ever seen.
bad
badly
Today the weather is ... than it was yesterday. (bad)
Today the weather is worse than it was yesterday. (it's an adjective!)
My friend speaks ... (loud)
My friend speaks the most loudly.
good
well
He does his homework ... than me. (careful)
He does his homework more carefully than me.
My mum cooks ... in my family. (good)
My mum cooks the best in my family. (it's an adverb)
fast
fast
He speaks English ... than me. (good)
He speaks English better than me. (it's an adverb!)
He studies ... of all. (hard)
He studies the hardest of all. (it's an adverb)