Perfective and Imperfective Verbs - The Complete Guide
It took me long to complete this but I'm sure you'll find it useful.
A complete guide on the uses of Perfective and Imperfective Verbs. http://explorerussian.com/verb-aspects-perfective-imperfective-verbs/
All the different scenarios with:
Examples Diagrams Illustrations Summary Interactive Test - Quiz Solutions - Notes
Hope you like it!