Look at that guy's enormous muscles. He ________________ work out a lot.
must
She goes camping every weekend. She ________________ really love the outdoors.
must
He worked hard on his report, then accidentally deleted the file from his
computer. He ________________ be really upset.
must
You ________________ be right - but I'm going to check to make sure.
might/may
We're not sure if this painting is an original. It ________________ be worth
thousands of dollars.
might/may
He's working full-time and studying for his Ph.D. That ________________ be easy.
can't
Wow - look at that diamond necklace. It ________________ be worth millions.
must
She ________ be at home - her car isn't outside her house.
can't
It__________ be him. He's on holiday until next week.
can't
We have a lot of work tomorrow. You _________
be late.
mustn't
You _________
tell anyone what I just told you. It's a secret.
mustn't
The museum is free. You __________
pay to get in.
don't have to / don't need to / needn't
John's a millionaire. He _________
go to work.
doesn't have to / doesn't need to / needn't
She________ do this work today, because she can do it tomorrow.
doesn't have to / doesn't need to / needn't
I _________ be at school tomorrow at 8 a.m. I have an exam !
have to
You __________ touch that plate, it's extremely hot.
mustn't
