It tells Macbeth that he will never be killed until the Birnam wood comes to Dunsinane.
Macduff's son is a character that even though, his age is not stated in the play, is assumed to be young. The killing of this young character and especially the way that happened shows Macbeth's kingdom cruelty. The murderers call this boy "Egg" while he tried to defend himself and defend his mother who was later killed too.
The answer is: <span>
c. should, have, could
In English Literature, Helping verbs refer to the verbs that help other verbs to extend its meaning in the sentence, explain the mood in the sentence or add additional details on time. Helping Verbs usually only used in Complicated Tenses
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<span>George and Myrtle Wilson live in the run-down valley of ashes where George runs an auto-repair shop.</span>