"How was your holiday?" "Great! It ___________ been better!”
couldn't have
The driver didn’t stop because he _______________ the red light. (not see)
might / may not have seen
I wouldn't swim in this river if I were you. It _________ dangerous.
might be
can be
If Susan said that, it ________ true. She never lies.
can be
might be
must be
She _______________ been happy when she heard the good news.
must have
What happened?
The baby must have got frightened.
What happened?
He might be disappointed.
I think there _________ a mistake in your tax return. You should check it.
might be
can't be
can be
The phone is ringing. It _______ be Charlotte; she said she would call this morning.
can
must
can't
Tom missed his train this morning. He can’t / must have arrived on time at the office
can't
What happened?
She might have won the lottery.
If he drives a jaguar, he ______ be quite rich.
must
Someone’s left their mobile here. It might / can’t have been Amy or Sheila.
might
He ________ his son, they look completely different.
can't be
might be
must not be
He ________ know the answer, he's the best in the class.
must
Betty was very late last night. She _______________ the last bus. (miss)
must have missed
Caroline looks very brown. The weather _______________ bad on her holiday. (be)
can't have been
She ________ be in love with him. She told me she hates him.
must
might not
can't
What happened?
She might have been studying.
They __________ bought a house without borrowing money because they had no savings.
can't have
What happened?
They must have played in the mud.
He ________ be at the gym now. Sometimes he goes there at this time.
might
can't
must
You should pick up the phone. It ________ be an important call.
can't
can
might
What happened?
She must have won the competition.
If he drives a jaguar, he _______ be quite rich.
must
can't
might
Sorry, but I'm not Connor. You ______ confusing me for someone else.
might be
Paul is behaving in a very unusual way. I think he _________ drunk again.
can be
can't be
might be
What happened?
It must have rained.
I think there ______ a mistake in your tax return. You should check it.
may be or might be
There's a bit of traffic, so I ________ arrive in time.
must not
may not
What happened?
He must be hungry.
He looks upset. He ___________ liked whatever she just said.
can't have
She _______ be in love with him. She told me she hates him.
can't
He ______ be in class. I saw him at the library a minute ago.
can't
You _________ be right, but it's better if we check.
can
can't
might
He________ be very proud of you right now. You disappointed him.
can't
might
must not
Where is Dominic? - I'm not sure, he ......................... in the supermarket, he left a while ago.
might be
What happened?
He/She might have dropped it.
I'm not sure I trust Peter. He ________ the person we think he is.
must not be
can't be
might not be
He ________ know the answer, he's the best in the class.
must
might
can
A: Who's at the door? B: I don't know; it_________ be John.
can't
may
must
I can’t find my ticket. I _______________ it. (lose)
must have lost
Jack was in his office a minute ago. He _______________ home already. (go)
can’t have gone
The thief ___________ got in through the window. It's not broken or forced.
can't have
You have walked for ten hours. You _________ exhausted.
must be
can't be
can be
This is not possible. You _______ be serious!
might not
must
can't
James had three sandwiches. He _______________ very hungry. (be)
must have been
What happened?
She must have broken/split up with her boyfriend.
He ________ be in class. I saw him at the library a minute ago.
might not
must
can't
I ______________ left my phone in the car. I made a call on the drive home.
might have
Sorry, but I'm not Connor. You _________ me for someone else.
must be confusing
might be confusing
must confuse