The kids are calm today. They ............ be tired.
ought
must
can't
should
Although Leila was very hungry, she didn't eat very much. She ............... liked the food.
couldn't have
could have
shouldn't have
might have
The phone is ringing. It .................... Mary. She promised she would call.
must be
could have been
must
must have been
John had a terrible accident. He .............. stopped when the traffic lights were red.
shouldn't
should
should have
shouldn't have
I don't know why she got so many bad grades. She .................... lazy studying.
might have been
might not have
might have
might
I didn't know you needed help. You ......................... told me.
should have
would
should
would have
I am so tired. I need some rest. I think I .............. take a week off.
should have
had to
have to
should
He ................. run so fast when he was young.
can
must
had to
could
Nancy .................. gone on holiday. I have just met her in the street.
can have
can't
could have
can't have
My plants are dead. I ................. given them too little water.
must not have
must have
can't have
might
Paul's class starts at 8:30. It's 8:45 and he's not here yet. He ............. missed the bus.
can have
must
should have
must have
