I think it . hyperbole
I hope this help you
The speaker’s desire to cure the raven of its inability to say anything other than “nevermore”
Dependent clause + independent clause= complex
Macbeth goes to see the witches again because everything they have told him has been true, so going to see the witches again will help determine whether Fleance is a threat to his throne.
Things that have been true that he was told:
He became the Thane of Cawdor.
Then became the King of Scotland.
