Irregular in indicative and subjunctive presents, passato remoto (io piaccio/che io piaccia/io piacqui). Verbs following this model: all derivatives, tacere, giacere and its derivatives. Auxiliary verb: essere
8 verbs follow this model. Below an extract:
To see other models, refer to Model Table
Based on the ending, you can identify features that different verbs have in common. Click on the verbs above to see their conjugation tables and explore their conjugation patterns.