When you see phrases like “will have been,” you are expected to use similar structures following them. These structures include a noun phrase, prepositional phrase, adjective, verb’s -ing form, or verb’s 3rd form (passive structure). Similarly, we use these structures with all modals:
Modal Verbs with Noun Phrases
May have been a great doctor.
Might have been a player.
Could have been a doctor.
Shall have been a helper.
Will have been a businessman.
Would have been a teacher.
Should have been a banker.
Must have been a student.
Modal Verbs with Adjectives
May have been angry.
Might have been busy.
Could have been happy.
Would have been expensive.
Must have been shocked.
Should have been interested.
Modal Verbs with Prepositional Phrases
May have been in the car.
Might have been with her family.
Could have been at home.
Must have been in a meeting.
Will have been behind the scenes.
Modal Verbs with Verb's -ing Form
May have been writing.
Might have been eating.
Could have been reading.
Must have been doing business.
Should have been going.
Modal Verbs with Verb's 3rd Form
May have been invited by the teacher.
Could have been told by her mother.
Might have been asked to leave the class.
Must have been informed.
Would have been received.
Should have been sent.
By following these structures, you can ensure your usage of modal verbs is both accurate and grammatically correct.