BE forms
had been - plus perfect - passé du passé
was being - past - BE -ing - passé en train de
was - simple past - action passée
has been - present perfect - bilan, résultat
is - simple present - habitude, routine
is being - present BE -ing - present en train de
will be - future
must be - obligation
can be - possibility
had been
was being
was
has been
is
is being
will be
must be
can be
...
le sujet de la phrase subit l'action
