Illusion
 Visions
  Macbeth sees
    Dagger
     before murdering Duncan
     "Is this a dagger which I see before me"
     false because "A dagger of the mind, a false creation, proceeding from the heat-oppressed brain?" 
    Banquo's Ghost
     at banquet
     "Were the graced person of our Banquo present"
     true because "Thou canst say I did it: never shake thy gory locks at me"
    Eight Kings
     meaning Banquo's ancestors inherit Scottish crown  
     "Now, I see, 'tis true"
     true because "Ay, sir, all this is so"
    Apparitions
     1st
      of armed Head 
      meaning beware of Macduff 
      "Beware of Macduff; beware thane of Fife"
      true because "My voice is in my sword: thou bloodier villain than terms can give thee out!"
     2nd
      of bloody child
      meaning Macbeth wont be murdered by woman born man
      "none of woman born shall harm Macbeth"
      false because "Macduff was from his mother's womb untimely ripp'd" 
     3rd
      of crowned child holding tree
      meaning Macbeth will be defeated when Birnam Woods move to Dunsinane Hill
      "Macbeth shall never vanquish'd be until Great Birnam wood to high Dunsinane Hill shall come against him"
      true because "I look'd toward Birnam, and anon, methought, the wood began to move"