The purpose of this study is to analyze the meaning of the construction 'dependent noun + 하다', to examine the problems of the current dictionary technology regarding the construction 'dependent noun + 하다', and to find the direction of a new dictionary technology. By analyzing the meaning of ‘체하다, 척하다, 양하다’, which is the construction 'dependent noun + 하다', which is uniformly described as a kind of auxiliary verb in major dictionaries, the problem of the current dictionary technology was examined, and the direction of the new dictionary technology was sought. By analyzing the morphological, functional, and semantic characteristics of ‘체하다, 척하다, 양하다’, which represent the meaning of pretence, based on the concept of auxiliary verbs that supplemented the semantic aspect and the criteria for discriminating auxiliary verbs, we examined whether the morphological, functional, and semantic requirements of auxiliary verbs were met, and based on this, we tried to verify the rationality of major dictionary techniques that include ‘체하다, 척하다, 양하다’, which is the construction 'dependent noun + 하다', in the category of auxiliary verbs. Additionally, in this study, the ‘하다’ was identified as being a suffix to make dependent nouns into verbs without practical vocabulary meaning in the ‘체하다, 척하다, 양하다’ representing the meaning of pretence, and the ‘체하다, 척하다, 양하다’ was viewed as a single composition of 'dependent nouns + suffixes', and the problems of the current dictionary technology, which is described as a type of auxiliary verb, were analyzed by understanding that these derivative verbs realize the modal meaning of [Pretence] in the process of combining with previous verbs. A syntactic perspective was proposed to exclude ‘체하다, 척하다, 양하다’, which is a 'dependent noun + 하다' construction representing the meaning of pretence, from the category of auxiliary verbs and to include it in dependent nouns to compensate for the problems of the current dictionary technology, which does not secure diversity of meaning. In addition, rather than uniformly describing the semantic function by grasping ‘체하다, 척하다, 양하다’ in the same category based on morphological and functional similarities, it was intended to secure diversity of meaning in dictionary techniques by reflecting the morphological, functional, and semantic characteristics of individual syntax.