In the study of modal auxiliaries and verbal phrases in
English, it is essential to understand how they modify the
verbs they are associated with, expressing modality,
aspect, voice, or tense. Thus, evaluate the propositions:
I.The modal "can" is used to express permission, but not
ability.
II.The verbal phrase "have been writing" expresses a
continuous action from the past up to the present.
III."Will" is used exclusively to express planned decisions
in the future.
Mark the correct alternative: