Verb contar and its derivatives follow the regular conjugation pattern of verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present (contar / cuenta)
3 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.