The resulting VP is then merged with a null transitive light verb whose external AGENT argument is the pronoun il ‘he’; since the light-verb is affixal, it triggers movement of the verb commis ‘committed’ to adjoin to the light verb, so that at the end of the vP phase we have the structure (51) below: (51) PRN il v ø+commis V t vP v' VP QP quelle bêtise The light-verb agrees in person/number f-features with the object quelle bêtise ‘what blunder’ and assigns it accusative case. By hypothesis, the light verb has no [EPP] feature in wh-in-situ questions, so there.
