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What's that terrible noise? Johnny ____ be singing right now.
What's that terrible noise? Johnny MUST be singing right now.
He ______ be a vegetarian. I have never seen him eating meat.
He MUST be a vegetarian. I have never seen him eating meat.
He's working full-time and studying for his Ph.D. That ________________ be easy.
He's working full-time and studying for his Ph.D. That CAN'T be easy.
You ________________ be right - but I'm going to check to make sure.
You MIGHT/COULD be right - but I'm going to check to make sure.
If Suzan said that, it ______ true. She never lies.
If Suzan said that, it MUST true. She never lies.
I'm sure she ____ be eating now because she didn't have breakfast.
I'm sure she MUST be eating now because she didn't have breakfast.
She's won prizes for her research. She _______ be really intelligent.
She's won prizes for her research. She MUST be really intelligent.
That painting _____ be a Picasso, but I am not sure.
That painting MIGHT/COULD be a Picasso, but I am not sure.
We're not sure if this painting is an original. It _________ be worth thousands of dollars.
We're not sure if this painting is an original. It MIGHT/COULD be worth thousands of dollars.
Does anyone know where Sophie works? I’m not sure, but I think she _____ work in West London.
Does anyone know where Sophie works? I’m not sure, but I think she MIGHT/COULD work in West London.
He ___ be watching the final World Cup match right now. His favorite team is playing.
He MUST be watching the final World Cup match right now. His favorite team is playing.
They _____ be at the gym right now. Sometimes they go there at this time.
They MIGHT/COULD be at the gym right now. Sometimes they go there at this time.
Really? He has to work on Christmas Day? He ______ be very happy about that.
Really? He has to work on Christmas Day? He CAN'T be very happy about that.
I ______ go to the football game. It depends on whether I can get the afternoon off from work.
I MIGHT/COULD go to the football game. It depends on whether I can get the afternoon off from work.
You’ve been playing tennis in this hot sun for almost four hours. You _______ be thirsty!
You’ve been playing tennis in this hot sun for almost four hours. You MUST be thirsty!
He ____ be traveling to Rome at the moment because he isn't at home but I'm not sure.
He MIGHT/COULD be traveling to Rome at the moment because he isn't at home but I'm not sure.
Come inside and get warm – you ____ be freezing out there.
Come inside and get warm – you MUST be freezing out there.
It ______ be far away now. We’ve been driving for hours. Where’s the map?
It CAN'T be far away now. We’ve been driving for hours. Where’s the map?
You just ate a huge dinner! You ________________ be hungry again already!
You just ate a huge dinner! You CAN'T be hungry again already!
Is a gift card to Sephora a good gift for Sammy? I don't know her very well. She _____ like it.
Is a gift card to Sephora a good gift for Sammy? I don't know her very well. She MIGHT/COULD like it.
That _____ be Mom calling right now. She always calls at this time on Thursdays.
That MUST be Mom calling right now. She always calls at this time on Thursdays.
He ______ live near here because he comes to work by car.
He CAN'T live near here because he comes to work by car.
It _____ be a burglar. All the doors and windows are locked.
It CAN'T be a burglar. All the doors and windows are locked.
I don't know if those diamonds are real or not. The necklace ______ be worth a fortune or it _____ be worthless.
I don't know if those diamonds are real or not. The necklace MIGHT/COULD be worth a fortune or it MIGHT/COULD be worthless.
I worked really hard on this essay. I ______ get a passing grade, but I'm not sure.
I worked really hard on this essay. I MIGHT/COULD get a passing grade, but I'm not sure.