The future perfect and the order of events
CEFR B1 · part 2
edumaterial's parts within the level. The European framework does not subdivide them.
on, the French way to be impersonalUsing on where your language uses a passive, and building the être passive only when it…After a preposition, the infinitiveUsing en + present participle for simultaneity, and an infinitive after any preposition.After si, never the futureBuilding all three conditional types, and never putting a future or conditional after si.Spoken French and written FrenchRecognising what is normal in speech but not in writing, and switching register without…celui, celle, ceux, cellesReplacing the noun without repeating it, and always following the pronoun with de, qui…en France, au Portugal, à ParisChoosing the preposition by the gender and number of the place, for going and for coming.The rule, in three lines
Auxiliary in the future + participle: j'aurai fini, je serai parti. It says which of two future events happens first. And after quand, dès que and après que French demands a future, never a subjunctive.
The usual slip. Putting a subjunctive after quand: «quand j'aie fini». French never allows it: a future or future perfect goes there.
Why it catches you out. English uses the present perfect: when I have finished, I will go out. French wants a real future in both halves, and putting a future after when is something your language never does.