Shakespeare uses in macbeth to play on audiences' fears.

a. conflicted characters
b. supernatural elements
c. a dramatic story line
d. iambic pentameter

Shakespeare uses suoernatural elements in Macbeth to play on audiences' fears, thereby, it helps create suspense.

In MacBeth the supernatural elements are an integral part of the plot and the structure of the play.  The Supernatural elements are showed to the audience in many different forms. Some example of supernatural elements employed by Shakespeare in his play Macbeth are the Ghost, daggers and The witches.

the noun in this is person