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prolonger

Meaning: to extend, to prolongGroup: er-verbLevel: C1

imperfect

je	prolongeais
tu	prolongeais
il	prolongeait
nous	prolongions
vous	prolongiez
ils	prolongeaient

French Spelling Change Verbs: Rules, Examples, andConjugation Practice

—— Verbs like prolonger change from g to ge
French spelling change verbs follow regular conjugation patterns but modify their spelling in certain forms to maintain correct pronunciation.
For verbs ending in -ger, an extra -e is inserted after -g before the vowels a or o to preserve the soft /ʒ/ sound. Therefore, in the imperfect tense, this change appears in the forms je, tu, il/elle, ils/elles, whose endings begin with a.
Understanding these spelling change rules helps you conjugate similar verbs such as :

manger aménager changer échanger loger voyager nager allonger arranger déranger

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