The Comparative Study Of Several Modal Verbs In Legal Texts

In our existing legislative experience,"ought to","must","should"," can't ",and "can" are often used to link various parts of legal norms.Forensic linguistics and legislative research believes that the legal term must maintain monosemy and consistency,but there are still some mixed situation in the legislative practice.In view of this situation,jurists and linguists have put forward opinions and suggestions from different perspectives,but they have different emphases and no consensus.This ariticle tries to apply the legal linguistics,legislation and jurisprudence as the theoretical foundation,with the help of the laws and regulations basement of BeiDaFaBao network,do careful inspection of the 259 legal documents,make comparative study on the following key words: "should" and "must","should" and "ought to","should" and "can","can" and "de",to clarify the semantic differences of these key words in the everyday context and there semantics in the legislative text and the legal effect brought by the diferent semantic meaning,A key word has several different semantic and different key words have semantic cross,and the same key words but there form is not the same,in order to solve the above problems,the author puts forward corresponding legislative suggestions.