Verb reference
постучать
to knock
PerfectiveType II
Imperfective partner
стучать
to knock ยท Type II
Fill the verified forms for постучать 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 постучать describe a completed future action, so they are shown in the Future section instead.