“…The first unaccusativity test is based on -no/-to impersonals, which cannot be formed of unaccusatives in perfective aspect, in contradistinction to unergatives 4 . However, -no/-to impersonals can be formed of unaccusatives in imperfective aspect, and then they have a habitual/iterative interpretation (Cetnarowska, 2002) 5 . The verb wystarczać [to suffice], which is imperfective, can appear in -no/-to impersonals, as in ( 5), and so can its perfective variant wystarczyć [to suffice], as exemplified in ( 6):…”