adverb of "slow" is ...
slowly
Peter is ... reading the book.
slow
slowly
Sarah is ...
quickly
quick
She is a ... person.
bad
badly
adverb of "bad" is ...
badly
adverb of "care" is ...
carefully
adverb of "good" is ...
well
Please listen .. to the instructions!
care
carefully
She sings ...
good
well
adverb of "quick" is ...
quickly