In act 4 scene 1, Hamlet is showing his rage. He hears something behind the tapestry, whips out his sword, shouts A RAT A RAT and in his derranged state of mind. He kills the good old man who is still hidden. this refers to Polonius
Act 4 scene 2
The body's with the king
In act 4 scene 1, After Hamlet kills Polonius, Gertrude doesn't know what to do. Claudius says Oh Gertrude lets go, and as soon as the sun sets We'll ship him off to England They are planning to send Hamlet to kill him.
Act 4 scene 3
But we can't throw Hamlet in jail
In act 4 scene 2, Hamlet tells Rosencrantz and Guildenstern, don't believe it this refers to Hamlet calling Rosencrantz and Guildenstern sponges because they soak up the kings approval, rewards, and decisions.
Act 4 scene 3
Where is polonius??
In heaven! send a messenger there if you waqnt to be sure
In act 4 ,scene 2, Hamlet says A thing with no importance . Which us meaning king Claudius didn't mean a thing to Hamlet. This scene proved that by Hamlet saying polonius body was just Dirty ashes to dust .
A thing my lord?
In act 4, scene 3 , Claudius mentions Hamlet being a mad man by saying How dangerous to have this madman on the loose! . Then continued to say We can't throw Hamlet in jail because the people love Hamlet.
We can't get hamlet to tell us where he put body
In act 4 scene 3, Hamlet is hostile and almost taunts Claudius about the murder of Polonius. Hamlet tells Claudius he can go to hell to find the body of Polonius in the quote, "Then trip him that his heels may kick at heaven/ And that his soul may be as damned and black/ As hell whereto he goes". Hamlet goes mad.