This document discusses passive voice constructions with modals. It lists the common English modals like can, could, should, must, have to. It then provides examples of passive voice sentences completed with these modals to express ideas like present possibility, prohibition, necessity and advisability. Finally, it gives incomplete passive voice sentences for the reader to practice completing with the appropriate modal.

2. Passive Voice with Modals
Everybody agreed at the time that their money
should be given back to the passsengers.
Passive Voice with Modals - Form
modal + be + past participle
What are the modals in English?
can might could should must have to

3. Passive Voice with Modals
have to not have to could could not can can not
Prohibition
might might not should should not must must not
Present Possibility or Ability
Present or Future Possibility
Present Impossibility
Advisability
Necessity

4. Complete the passive-voice sentences below with can,
can’t, might, might not, should, shouldn’t, have to, not have
to, must, or must not and the verbs in parentheses.
We tried, but the window ___________________ (open).
couldn´t be opened
It was stuck.
has to be asked
shouldbe asked
must
Before you do anything, James ____________________
(ask). Don’t forget that he is your boss.
Good news! I had an interview at a company yesterday.
They haven’t said anything, but I __________________
might be offered
could
(offer) a job soon.
They live in a beautiful place. In fact, the entire valley
__________________ (see) from their home.
can be seen