Complete the sentence
Degree of certainty
Transform the sentence
Correct the sentence
100

 Diana ________ be very rich. She earns more than $800, and she has a company car.

 Diana MUST be very rich. She earns more than $800, and she has a company car.

100

This is one of the first ratings that could tell something about banks.

Almost certain

70% chance

100

Certainly, she knew that something was wrong.

She must have known that something was wrong.

100

This must be the right answer but we'll have to check the answers with the teacher.

This COULD be the right answer but we'll have to check the answers with the teacher.

200

 I ________ be late for this morning's class. It's ten o'clock already.

 I MAY be late for this morning's class. It's ten o'clock already.

200

If it's midday in London, it must be seven a.m. in New York.

Pretty certain

90% chance

200

Of course, she is trying to help you.

She must be trying ro help you. 

200

I can't go to the party but I'm not sure yet.

I MUST go to the party but I'm not sure yet.

300

Where is the applicant? 

– He ________ be waiting in the hall.

Where is the applicant? 

– He MUST be waiting in the hall.

300

Other company's activities might include R&D and purchas­ing.

It’s more probable that something won’t happen than it will.

30% chance

300

She is certain to be waiting for you in the reception.

She must be waiting for you in the reception. 

300

Danny recons she's from The States But I think she should be from Skandinavia.

Danny recons she's from The States But I think she MIGHT be from Skandinavia.

400

Jack isn't here yet so he _________ waiting for Rose, who is always late.

Jack isn't here yet so he MUST BE waiting for Rose, who is always late.

400

He can't be working so late. Everybody's gone.

Very certain

100% chance

400

I haven't seen him around. Probably, he has already left.

I haven't seen him around, he might have already left.

400

It may be true about a dinosaur living in the pond. It is impossible.

It CAN'T be true about a dinosaur living in the pond. It is impossible.

500

She _________ not have known you were related, you should tell her when you see her.

She MIGHT not have known you were related, you should tell her when you see her.

500

-Did you get a chance to see the sights? 

-Not yet. I may get it during the future trips.



equally certain

50% chance 

500

I am sure she didn't forget.

She couldn't have forgotten. 

500

The exam must be easy, you never know.

The exam MIGHT be easy, you never know.