MODALS OF PROBABILITY CAN´T - MUST - MIGHT

Use _____ to express an opinion that you think has a good possibility of being true. (50%)

Use ____ when you are 100% (or almost 100%) sure that something is the case.

Use 'can't' to express an opinion that you are 100% sure is not____.

Why is that man looking around like that? He______ be lost.

• must

• can´t

That woman ______ be a doctor! She looks far too young.

• must

• can´t

John always fails the tests, even though he’s clever. He _______ study enough.

• must

• can´t

The food is really good at that restaurant. They _____ have a great chef.

• must

• can´t

This _______ be John’s house. This house has a red door, and it’s number 24, just like he said.

• must

• can´t

Julie ________ have much money, or she would buy a new car. Her old one is falling apart

• must

• can´t

He _____ be at work now, can he? It’s nearly midnight.

• must

• can´t