imperfective russian

• пережива́ть

  worry or be upset (imperfective only)

  experience, go through

  suffer, endure

  survive, outlast, outlive

• ступа́ть

  to tread to step on step

  (imperfective only) to leave

• осно́вываться

  to be based (imperfective only)

  to settle, to settle down, to stay, to be founded on

• несоверше́нный

  incomplete

  imperfect / imperfective (verbs)

• расска́зываться

  to be told (imperfective only)

• воскреша́вший

  resurrecting, reviving, restoring (past active imperfective participle)

• выка́пывавший

  digging out, excavating (past imperfective active participle)

• законтракто́вывавший

  who/which was contracting, contracting (past imperfective)

• обжа́ривавшийся

  that was being fried, having been fried (imperfective aspect)

• отшлифо́вывавший

  polishing (past, imperfective), that was polishing, having polished

• переходи́вший

  that was crossing, that was passing, having crossed (imperfective past active participle)

• притачивавший

  stitching on, attaching by stitching (past active imperfective participle of 'притачивать')

• увози́вший

  carrying away, taking away, transporting (past active imperfective participle)

• ускоря́вшийся

  accelerating (past imperfective), that was accelerating