Breakdown of Dès que cette génération aura vieilli, la démographie changera.
avoir
to have
ce
this (before a noun)
changer
to change
la génération
the generation
dès que
as soon as
la démographie
the demography
vieillir
to age
Questions & Answers about Dès que cette génération aura vieilli, la démographie changera.
Why do we use aura vieilli (will have aged) in French, when the English translation simply says "has aged"?
In French, when you use temporal conjunctions like dès que (as soon as) or quand (when) for events that haven't happened yet, you must use a future tense. Because the generation needs to finish aging before the demographics change, French uses the futur antérieur (future perfect) to show that this future action will be completed first. English typically just uses the present or present perfect here.
How exactly is the verb aura vieilli constructed?
It is in the futur antérieur. You form it by taking the futur simple of the helping verb (in this case, avoir, which becomes aura for cette génération) and adding the past participle of the main verb. For the regular -ir verb vieillir (to age), the past participle is vieilli.
How do I know to use cette before génération?
What tense is changera and how is it formed?
It is the futur simple of the regular -er verb changer (to change). To form it for a third-person singular subject like la démographie, you take the full infinitive changer and add the future ending -a, giving you changera.
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