The thief ___________ got in through the window. It's not broken or forced.
can't have
I ______________ left my phone in the car. I made a call on the drive home.
might have
She _______________ been happy when she heard the good news.
must have
They __________ bought a house without borrowing money because they had no savings.
can't have
He looks upset. He ___________ liked whatever she just said.
can't have
"How was your holiday?" "Great! It ___________ been better!”
couldn't have
I don’t know why John didn’t come to the party. He may / can’t have been busy.
may
Steven isn’t in the office. He must / can’t have gone home.
must
Joe’s very clever. He must / might have passed all his exams with top marks.
must
Sarah can’t find her glasses. She might / can’t have left them at the restaurant.
might
The man is in prison now. He can’t / could have robbed the bank yesterday.
can't
It’s eight o’clock and Helen’s in bed already. She can’t / must have been very tired.
must
Paul’s late. He might not / must have heard the alarm.
might not
This is not Tudor Square. We can’t / must have taken the wrong road.
must
Someone’s left their mobile here. It might / can’t have been Amy or Sheila.
might
Tom missed his train this morning. He can’t / must have arrived on time at the office
can't
