“Be” verbs. The term “be verbs” is a little deceiving because they include more than the word “be.” ...
Have. The helping verb have is used to make perfect tenses. ...
Do. The verb “do” can perform a variety of functions:
Can, could.
May, might.
Will, would.
Shall, should.
Must.
The apparitions that the witches summoned were all perceived to be helpful to Macbeth when in reality they would become his downfall. Just as he believed the witches wanted to be helpful and courteous when in reality they had tricks up their sleeves. Hope this helps!
-J
