Expier belong to the 1st
Expier is conjugated the same way that verbs that end in : -ier
Expier is conjugated with the two auxiliaries être
Expier verb is
French verb expier can be conjugated in the reflexive form: S'expier
verb is a direct transitive verb, so passive voice can be used.
Attention: passive voice can only be used when expier verb is conjugated with auxiliary avoir.