Must have, might have and can't have
Objective: Make deductions about completed past events.
Explanation
Use a modal followed by have and a past participle to evaluate what probably or possibly happened.
Examples
- She must have forgotten.
- They might have taken the wrong road.
Practice
Choose the correct answer.
She is absent. She ___ forgotten the meeting.
Practice
Choose the correct answer.
They are late. They ___ taken the wrong road.
Practice
Choose the correct answer.
He ___ seen us because he was facing away.