Verb reference
застонать
to start moaning
PerfectiveType I
Imperfective partner
стонать
to moan ยท Type I
Fill the verified forms for застонать only. Its aspect partner is a separate reference and practice choice.
Present tense
Perfective verbs have no true present tense
The personal non-past forms of застонать describe a completed future action, so they are shown in the Future section instead.