Point 1 + quotations:
Relationship is initially presented as being built up on foundations of loyalty and trust.
Point 2 + quotations:
Banquo and Macbeth presented as both having different levels of moral integrity presented through their reaction to the Witches’ prophecies and the actions they take following that.
Point 3 + quotations
Following Macbeth’s murder of Duncan, the increased deception and suspicion to break the trust within their friendship.
“my duties are … forever knit”
Point 4 + quotations:
Relationship between Macbeth and Banquo is being destroyed due to Macbeth’s ambition and need to become king.
Point 5 + quotations:
Banquo’s morality is presented as holding Macbeth responsible for the violent acts that he has committed through Banquo’s ghost which appears to haunt Macbeth in the banquet scene.