ОСЛИН
Сеть Лексической Информации Открытого Доступа для Русского языка

Database of Russian Verbal Aspect

Verbal Cluster

Cluster base: добрести

lookup verbдобрести(perfective)
imperfective of добрести (perfective)добредать(imperfective)

2 verbs in cluster (also include non-verbs)

under
construction