Defenition
We use it for actions we will do
Formula 1 (regular)
= infinitve +avoir ending in present tense (ai, as, a, ons, ez, ont)
Formula 2 (for verbs ending in-re)
= infinitive without -e + avoir ending in present tense (ai, as, a, ons, ez, ont)
Formula 3 (For irregular verbs)
= new stem + avoir ending in present tense ( look at flashcards for the steams of generic verbs)