21. Perfective has a definite beginning and end, prior to the moment of utterance.22. Gujarati has 2 aspects : perfective and imperfective, each having overt morphological correlates. 23. There is a perfective / imperfective aspect distinction. 24. They often serve to change the verb into perfective ( along with other factors ). 25. The perfective aspect thus displays split ergativity. 26. Pohnpeian indicates four grammatical aspects : perfective . 27. Perfective verbs, whether derived or basic, can be made imperfective with a suffix.28. The perfective aspect often includes a contextual variation similar to an inchoative aspect or state. 29. I had the hardest time figuring out the difference between perfective and imperfective in Polish. 30. All Lithuanian verbs can be characterized by their aspect which can be either perfective or imperfective.