Based on the statistical analysis of authentic materials,this paper investigates the semantic types,structural characteristics,causes and subjectivity of the Ba construction with non-subject.It is found that when the behavioral actor is re-strained by causative elements(class A1)or implied by reason of no need to investigate(class A2),the Ba construction with non-subject will be formed.The reason why the speaker restrains the causative element is to break the objective causative rela-tionship and establish a subjective causative relationship.The reason why the causative element is implied is to make the object of Ba occupy the first position of the sentence and become the object of empathy.The Ba construction with non-subject of Al has the characteristics of higher affectedness and lower agency.The reason why lower agency can make higher affectedness is mainly based on high subjectivity.Furthermore,the high subjectivity of Ba construction with non-subject is demonstrated from the distribution of the Ba-construction with non-subject in different genres.
the Ba construction with non-subjectweak-agentaffectedness