Échouer belong to the 1
st group. Échouer is a common french verb.
Échouer is conjugated the same way that verbs that end in :
-er
Échouer is conjugated with the two auxiliaries
être and
avoir.
Échouer verb is
direct transitive, intransitive.
French verb échouer can be conjugated in the reflexive form:
S'échouer
Échouer verb is a direct transitive verb, so passive voice can be used.
Attention: passive voice can only be used when échouer verb is conjugated with auxiliary avoir.