I assume we are discounting the various lines which Hamlet directs to Polonius' questions in the three scenes where he has a conversation with him: "Words, words, words", "You cannot, sir, take from me anything which I would more willingly part withal", "Do you see yonder cloud which is in the shape of a camel?", "Have you a daughter?", "Buz, buz", "O Jeptha, judge of Israel, what a treasure had thou?"
I think Hamlet intended Polonius to hear all these lines.
I doubt if he intended Polonius to hear the things he said to Gertrude in the closet scene, even though Polonius did hear them.
There are other things which Hamlet says which Polonius overhears which he might have intended Polonius to overhear. The line "These tedious old fools!" is one. The entire soliloquy "To be or not to be" and some or all of the scene with Ophelia which follows is another. The line "Where is your father?" suggests that at least at this point Hamlet is aware of Polonius and intends him to hear.
Part of the answer has to depend on when you think Hamlet figures out that Polonius is listening in. If you think Hamlet knew from the start, then he may be saying "No, I never gave thee ought." to make Polonius think that their relationship was less serious than it really was. Or possibly the return of the love-tokens tips him off, and his lines "Are you honest?" and "Are you fair?" are really intended for Polonius. Perhaps "Get thee to a nunnery" is intended for Polonius (perhaps to make him think Hamlet as angry with Ophelia to try to save her from being implicated in Hamlet's problems), and "We are arrant knaves all; believe none of us" is to Ophelia so she knows he's not really mad at her. A number of people believe that Hamlet might become aware of Polonius's presence immediately before the line "Where's your father?" (Although possibly that may be when Hamlet discovers that Ophelia knows that Polonius is listening, or when he discovers that she has been planted by Polonius). In that case the lines "It hath made me mad", and "I say let us have no more marriages" may be directed to Polonius, the first to help reinforce the illusion that he's crazy and the second to get in a sly dig at Claudius and Gertrude.
Hamlet was crazy. She follows Hamlet's instructions and says that "Hamlet hath in madness Polonius slain."
Hamlet mistakenly believes that it is Claudius who is hiding behind the arras instead of Polonius.
Polonius, Ophelia, Gertrude, Hamlet, Claudius, and Laertes.
Polonius is interested in seeing whether spying on Hamlet's conversation with Gertrude will justify his theory that Hamlet is mad for love. (see the end of Act 3 Scene 1)
Part of the answer has to depend on when you think Hamlet figures out that Polonius is listening in. If you think Hamlet knew from the start, then he may be saying "No, I never gave thee ought." to make Polonius think that their relationship was less serious than it really was. Or possibly the return of the love-tokens tips him off, and his lines "Are you honest?" and "Are you fair?" are really intended for Polonius. Perhaps "Get thee to a nunnery" is intended for Polonius (perhaps to make him think Hamlet as angry with Ophelia to try to save her from being implicated in Hamlet's problems), and "We are arrant knaves all; believe none of us" is to Ophelia so she knows he's not really mad at her. A number of people believe that Hamlet might become aware of Polonius's presence immediately before the line "Where's your father?" (Although possibly that may be when Hamlet discovers that Ophelia knows that Polonius is listening, or when he discovers that she has been planted by Polonius). In that case the lines "It hath made me mad", and "I say let us have no more marriages" may be directed to Polonius, the first to help reinforce the illusion that he's crazy and the second to get in a sly dig at Claudius and Gertrude.
Polonius plans to tell Claudius. Polonius believes that it is love that is driving Hamlet insane.
Polonius
hamlet killed polonius by accident. polonius was hiding behind the arrays in gertrudes room and hamlet thought it was claudius so he stabbed him with his sword only to find that it wasnt cladius, but polonius.
Claudius does not ask Hamlet what he has done with Polonius, although Rosencrantz and Guildenstern do. He asks Hamlet where Polonius is. His lines are "Now, Hamlet, where's Polonius?" and "Where is Polonius?". Hamlet answers, first that Polonius is at supper (not where he eats but where he is eaten) and second that Polonius is in heaven (where Claudius cannot go to find him). Then he adds, "But if indeed you find him not within this month you shall nose him as you go up the stairs into the lobby."
Polonius is the chief counselor to the king, and also the father of Ophelia and Laertes.
Hamlet was crazy. She follows Hamlet's instructions and says that "Hamlet hath in madness Polonius slain."
Hamlet mistakenly stabs Polonius through the curtain. He heard a noise, and, thinking it might be Claudius, immediately stabbed through the curtain.
Ophelia is the daughter of Polonius. She is also the sister to Laertes and potential wife of Prince Hamlet.
The consequences of Hamlet killing Polonius is that he planted the seeds of discord between the supporters.
Polonius tells Claudius and Gertrude that Ophelia and Hamlet have had a relationship which Polonius had Ophelia break off, and that this might be the cause of Hamlet's wild behaviour.
Hamlet mistakenly believes that it is Claudius who is hiding behind the arras instead of Polonius.