*There is an interactive word tree exercise for this grammar here. Point 152 in MODALITY overlaps many other modality points. So here we will cover those not already covered elsewhere.…
BE bound likely meant obliged TO
Category: certainty
BE sure certain to
Point 129 in the category of MODALITY expressions with be is defined as: ' be sure to', 'be certain to' to talk about certainty. Some of this point also overlaps…
Maybe
Maybe A1 maybe A2.