She sings --beautifullybeautifulbeauty .
He finished his homework --quicknessquickquickly .
They spoke to each other --quietlyquietnessquiet .
The children played --happyhappinesshappily in the park.
She drives --carefulnesscarefulcarefully .
He answered the questions --correctlycorrectcorrectness .
The cat moved --silencesilentsilently through the house.
She laughed --loudlyloudloudness at the joke.
He waits --patientpatientlypatience for his turn.
She danced --graciouslygracegracefully across the stage.