摘要：Cognitive grammar does not differentiate nominalizations belonging to the syntax or in the *** the perspective of cognitive construal,nominalizations of verbs and adjectives involvethe alternate profiling of certain aspects of relationships while the nominalizations of structures and sentences are motivated by the conceptual packaging of events as entities on a larger scale.A new notion,ontologicalization,is introduced into the study as the cognitive mechanism underlying nominalizations on all *** is shown that nominalizations are not only pervasive but also theoretically significant in Mandarin,ranging from lexis to *** may take two different forms:affix-derivation and ***(的)is an important nominalizer in Mandarin in that it functions as a suffix as well as an infix with words,structures and sentences.