Look at the following passage: "And have I not told you that what you mistake for madness is but over-acuteness of the sense? -
now, I say, there came to my ears a low, dull, quick sound, such as
a watch makes when enveloped in cotton. I knew that sound well,
too. It was the beating of the old man's heart. It increased my fury,
as the beating of a drum stimulates the soldier into courage."

a. list all of the action verbs
b. how do the verbs affect the tone
c. list descriptions of sound
d. list any words that hint at insanity