Authorisation: BE allowed to + BV
Prohibition: not + BE allowed to + BV
BE + V-en
(+ by + the person who does the action only if this is important!)
> Voix active et voix passive
The speaker knows it was typical of subject.
For + duration
Since + specific starting point
> Présent HAVE V-en + V-ing
Why don’t you + BV?
What if you / we + V-ed?
What about + V-ing?
Ways to help: BY + V-ing