Soucier belong to the 1
st group. Soucier is a very common french verb.
Soucier is conjugated the same way that verbs that end in :
-ier
Soucier is conjugated with
auxiliary avoir.
Soucier verb is
direct transitive.
French verb soucier can be conjugated in the reflexive form:
Se soucier
Soucier verb is a direct transitive verb, so passive voice can be used.