Banquo's response to the witches' prophecy suggests that Banquo realizes that the witches represent evil.
While having a conversation with Macbeth (Act I, Scene 3), Macbeth tells Banquo that he should believe that his children will become kings, as they were promised so by the witches. Banquo replies that the whole thing about them is <em>strange</em>, implying that he would not be so certain about their good intentions. Banquo refers to the witches as <em>'the instruments of darkness'</em>, that partially tell people the truth in order to destroy them.
The phrase "received much acclaim and many prestigious awards" is the complete predicate of the sentence presented. The word "received" is a verb because it is an action word. The predicate is not one of the parts of speech however, it is one of the parts of a sentence.