I'm not sure where John is. He _____________ still be at work.
might
There's no juice in the fridge. Somebody ______________ drunk it.
must have
Jacqui ___________________ be at the sports centre. It's closed.
can't
You shouldn't have driven so fast. You __________________ had an accident!
might have
They ______________________ cleaned this room - look, it's filthy!
can't have
The robbers ________________ been looking for jewellery - nobody really shows.
might have
I can see people opening their umbrellas. It ______________________ be starting to rain.
must
The chair broke as soon as he sat on it. It ________________________ been very well made.
can't have
Rephrase
"I'm certain that she cheated in the exam".
She MUST HAVE CHEATED in the exam
Rephase
"It's possible that he's from Canada"
He MIGHT BE from Canada.
Rephrase
"It's impossible that you've spent all your money. It's only the second day of your holiday"
You CAN'T HAVE SPENT all your money. It's only the second day of your holiday.
Rephrase
"I'm certain that you didn't phone me this morning. I didn't have my phone with me"
You CAN'T HAVE PHONED me this morning. I didn't...
Rephrase
"It's late. I'm certain that you are tired"
It's late. You MUST be tired.
Rephrase
"Lucy can't find her laptop. It's possible that she left it on the train"
Lucy can't find her laptop. She MIGHT HAVE LEFT it on the train
