Essay question : what makes hamlet a round character?

Can someone me with this english question

Which statement correctly describes the verb function in this sentence? the word “dancing” is a verb that functions as a noun. the word “dancing” is a verb that functions as an adjective. the word “becoming” is a verb that functions as a noun. the word “becoming” is a verb that functions as an adjective.

Write a line imitating the meter of the example (anapestic tetrameter.) and the beard/ on his chin/ was as white/ as the snow