1 | 1 BYBEE J.-PERKİNS, R.- PAGLIUCA, W. (1994). The Evolution of Grammar: Tense, Aspect and Modality in the Languages of the World. Chicago-Illinois: The Univercity of Chicago Press. |
2 | 2 KERİMOĞLU, Caner (2011). Kiplik İncelemeleri ve Türkçe, Dinozor Kitabevi, İzmir. |
3 | 3 PALMER, F. R. (2001). Mood and Modality, Cambridge University Press, Cambridge. |
4 | 4 Van der AUWERA, J.- PLUNGIAN, V. (1998). Modality’s Semantic Map. Linguistics Typology, 2: (s79-124) |