You must be joking. - Você deve estar brincando.
Use:
We use modal verbs of probability when talking about situations that we think are possible or true.
The modals below are used to express probability:
Modal of probability | Level of certainty |
---|---|
must, have to | 100 or almost 100 |
should | Almost 100 |
might, could, may | >0 <80 |
can't, mustn't, couldn't | 0 or almost 0 |
Examples:
English | Portuguese |
---|---|
He must be tired | Ele deve estar cansado |
That should be the postman | Deve ser o carteiro |
He might change his mind | Ele talvez mude de ideia |
She can't be at home | Ela não pode estar em casa |
Description | Author | Language | |
---|---|---|---|
Examples of using probability modals in the present and the past. | BBC Learning |