The baby is a good swimmer.
The baby swims well.
Greg is a bad singer.
Greg sings badly.
Mr. Robinson is a hard worker.
Mr. Robinson works hard.
My sister is a good climber.
My sister climbs well.
They are fast runners.
They run fast.
They are graceful dancers.
They dance gracefully.
The cow is a slow eater.
The cow eats slowly.
The sloth is a slow talker.
The sloth talks slowly.
John is a careless driver.
John drives carelessly.
Ron is a good writer.
Ron writes well.