| The problem that the word "'" is preposition or conjunction has alwaysbeen the hot topic of grammar.The connected components of "'"contain predicates（V） and noun（N）."V1+'+V2" can be various syntactic constituents in the sentence, so "'" is aconjunction."N1+'+N2" can be as the subject, object, attribute, adverbial,complement in the sentence, so"'" is a conjunction; When N1be subject,"'+V2" is be adverbial,"'" is a preposition. The problem that the function word "'" is preposition or conjunction has always been the hot topic of grammar. Theessence of this issue is when "'" in the syntactic structure "N1+'+N2+V","'" ispreposition or conjunction.The judging method is:First, according to the distribution law,when the sentense can decomposeaccord to the formula x（a+b）=xa+xb,"'" is conjunction. Meanwhile,"Mutualfingering" and "swap method"can be verification method. Second, Insert methodcan be standard form to judge "'" is preposition. Meanwhile, prepositionreplacement method can be verification method. Third, when "N1+'+N2+V"can be used by distribution law or "Mutual fingering" or "swap method" and insertmethod, the word-class of "'" is dim. The textual semantic standards can beused for judging its word-class.The functions of introduction of the preposition "'" can be divided intothree types:introduce the cooperative object, introduce the pertinentobject,introduce the comparable object. The functions of connection of theconjunction "'" is reflected in the semantic relations between X1and X2:parallel relationship, relationship and progressive relationship.The word order of the components before and after "'" is restricted bysome factors. When "'" is preposition, the word order of the componentsbefore and after "'" is restricted by the factors of semantic highlights anddegree of life. When “'” is conjunction, the order of X1and X2sometimes cannot be changed because of many factors,for example:the factors of degree of life,control, context, cognition and pronunciation. |
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