All of these women's raps illustrate that they can do what they are doing, and by this I intend for both readings of the modal ‘can’ to be in effect.
These complements contain modals and therefore can't be infinitives.
The other students, English majors all, seemed terrified by the prospect of a semester of moods and modals, subordinate clauses and predicate adjectives.
And because there is always a change in models there would always be regular demands for new modals which keep you in business.