“在L”在“把”字句里的位置有四种,分别构成四种句式。“在L”的位置不同,导致四种句式的结构类型不同,不同句式里“在L”前面的状语也不同。“在L”和动词相互制约:“在L”制约各式动词的类和动词的语义特征,动词又反过来制约各式“在L”的语义指向、次范畴的类别和蕴涵的语义角色;不同位置上的“在L”在篇章上有不同的作用。 “L” in the “Ba” in the position of four words, respectively, constitute four sentences. “L” in different positions, resulting in the structure of the four types of sentence types are different, in different sentence “in” the adverbial is different. “L” and the verb restrict each other: “in L” restricts the semantic features of various verbs and verbs, and verbs in turn restrict the semantic orientation, sub-categories and implied semantic roles of various “L” s; Different positions in the “L” in the chapters have different roles.