The king's a-bed. He hath been in unusual pleasure. And sent forth great largess to your offices. This diamond he greets your wife withal, by the name of the most kind hostess, and shut up in measureless content.
I think not of them.
I dreamt last night of the three wierd sisters: to you they have showed some truth.
Banquo is asking his son, Fleance, the time. He says it's later than twelve, which means the it takes place late at night, which adds to the suspenseful and creepy setting.
If you shall cleave to my consent, when 'tis, it shall make honor for you
So I lose none in seeking to augment it, but still keep my bosom franchised and allegiance clear, I shall be counselled.
Banquo is giving Macbeth a diamond for Lady Macbeth from King Duncan. King Duncan has given Macbeth countless gifts for his household and servants. It shows how much he trusts Macbeth.
Though marshall'st me the way that I was going, and such an instrument I was to use.
Banquo tells Macbeth that he had a dream about the three witches and how part of their prophecy came true for him. Macbeth tells him that he has not thought about the witches.
I go and it is done. The bell invites me. Hear it not, Duncan, for it is a knell that summons thee to heaven or to hell.
Macbeth tells Banquo that if he sticks by him, there will be something in it for him. Banquo tells him that it's fine, as long as he can do it with a clear conscious. This scene foreshadows what Macbeth will do.
Macbeth is on his way to King Duncan and he is going to use a dagger to kill him. At first he was conflicted, but has now made up his mind.
Macbeth has killed King Duncan . This is a very important part because it continues with the story line.