He played "Foully"
The pronoun "it" in the conversation between Macbeth and Banquo likely refers to the witches' prophecy about Macbeth becoming king.
The witches prophesized that a long line of Banquo's sons will succeed Macbeth in the throne. Macbeth therefore knows that he will not be king forever/his ruling will stop after himself, so he feels that Banquo is a threat.
the roles of lady Macbeth was that she told Macbeth to kill king Duncan after he went and had a visit the witches who said to him that he would become king. he lost his mind, killed the king, became into power, murdered Macduff's family for no reason and killed Banquo because he knew that banquo had chances of becoming king
Banquo was able to see some of the witches' prophecies fulfilled, like the one about Macbeth becoming king. He was also aware, as he lay there dying with twenty trenched gashes in his head, that their prophecy about him not becoming the king looked like it was going to come true also.
MacBeth tells Banquo that he had not been thinking of the witches after Banquo says he, himself, has. Banquo is thinking about the predictions and MacBeth becoming Thane of Cawdor fulfilling one of the prophesies. This occurs after MacBeth is set on killing Duncan, the king. He is trying to hide his guilt even before he is truly guilty.
*Banquo. Macbeth's best friend is Banquo, but he is also Macbeth's enemy. After the meeting with the witches, Macbeth finds out that he will become the Thane of Cawdor and the King of Scotland. Eventually, he achieves both of these prophecies. Banquo, Macbeth, and Lady Macbeth are the only people that know about the witches. Banquo becomes suspicious of Macbeth because Macbeth fulfills the prophecy after King Duncan is murdered, and Macbeth acknowledges this fact. Basically, Macbeth doesn't trust Banquo.
i think Macbeth wanted to be king. he couldn't though because king Duncan was. So Macbeth killed him. Then Banqou was suppose to be next to be kind, i believe. So he hired the revengers or avengers to murder him. Next was fleance. i don't know what happened to him.
In Shakespeare's play "Macbeth," Banquo experiences thoughts of suspicion and unease after encountering the witches' prophecies about Macbeth becoming king. He fears that these prophecies may lead to harm or betrayal, and he wrestles with the idea of his own descendants becoming kings as well. These thoughts contribute to his sense of foreboding and foreshadow his eventual demise at the hands of Macbeth.
Macbeth killed banquo. Because Macbeth heard the witches say he will also be king. so Macbeth saw him as a threat to the throne and lets just say did something bad to banquo (killed him)
After Macbeth, Banquo, and King Duncan exchange warm greetings, King Duncan announce Malcom as the Prince of Cumberland.
Banquo replies to Macbeth by saying, "I'll willingly agree to talk with you after the king's feast is over." This indicates that Banquo is open to discussing matters further with Macbeth in the future.
Act 3 is the centre of most Shakespearean plays. By Act 3 of Macbeth, Macbeth has succeeded in becoming the king as he had hoped. He is still uneasy about his situation, and hopes to cure his uneasiness by irrational violence. The first such act is to assassinate Banquo, but it results in Macbeth becoming increasingly unstable, even in public, and particularly at the dinner party where he sees Banquo's ghost.