What are the rules for forming the passe compose/perfect tense using avoir and etre?


Past participles generally follow a simple rule.For verbs ending in -er, the past participle is made by adding the suffix to the root:parler (to speak) - parlé dessiner (to draw) - dessiné tomber (to fall) - tombéFor verbs ending in -ir, the past participle is made by adding the suffix -ito the root:choisir (to choose) - choisfinir (to finish) - finpâlir (to become pale) - pâliFor verbs ending in -re, the past participle is made by adding the suffix -uto the root:descendre (to go down) - descendurendre (to return) - rendfendre (to split) - fenduThere are, of course, exceptions to this. Here are a few of the most common irregular past participles:devoir (to have to) - avoir (to have) - eupouvoir (to be able to) - pufaire (to do/make) - faitsavoir (to know) - suconnaître (to know) - connu voir (to see) - vuboire (to drink) - buvouloir (to want) - voulu

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Tom H.

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Tom H. is an online French tutor with MyTutor studying at Exeter University