when do you use future perfect?
used to describe an action that will have been completed before another future action takes place or before a certain time in the future
used to express probability or supposition in the past
used after conjuctions
what conjunctions are mostly used with this tense?
quand, lorsque, dès que, aussitôt que, après que
how to conjugate?
future of avoir/être + past participle
future of avoir
j’aurai
tu auras
il aura
nous aurons
vous aurez
ils auront
future of être
je serai
tu seras
il sera
nous serons
vous serez
ils seront