La manera más
usual de expresar órdenes y prohibiciones es
el imperativo.
Aparte de esto también se puede utilizar el verbo must (not) o una forma
de have to.
verbo
ejemplo
must
I tell you, the men must be finished with the work by Monday noon.
have to
You were told that you had to return home immediately.
must not
One must not smoke in public buildings.
En este caso también hay un verbo pleno.
verbo
ejemplo
to be (not) to
We are
to clean the kitchen after we used
it. (imperativo)
You are not to take
the dog into the supermarket. (prohibición)
to be not allowed to
He
is not allowed to have a cat in his
apartment. (prohibición)
to not allow
Her father does not
allow her to have a motorbike. (imperativo)
to be not permitted to
They
were not permitted
to use the toilet during the exam.
(prohibición)
