Some basic assumptions in generative-transformation grammar and some basic concepts in contemporary linguistics are also discussed, such as the relation between natural language grammar and theories of grammar, methodology of linguistic studies and the falsification of linguistic theories.

The theories of system,function,natural grammar,social semiotics and grammatical metaphor all bear the traces of Darwinism,including ideas of evolution,natural selection,and the survival of the fittest.

In the process of using each method in particular Western grammatical theory to differentiate Chinese combination ambiguity,the linguists proposed and developed the minor word,the semantic direction analysis theory.

His A Survey of the Chi nese Grammar inherits the essence of the grammatical theory of The Chinese G ramm ar by Ma Jianzhong and makes the further development of the grammatical theory o f The Chinese Grammar by Ma Jianzhong .

This paper aims at presenting a survey of Fries＇ grammatical theory so that we can have a more detailed and comprehensive understanding of the American structuralism.

Firstly such teaching should be practical grammar teaching not theoretical grammar teaching; secondly such grammar should be conditional grammar.

There are differences as well as connections between theoretical grammar and pedagogical grammar.

Taking 了_2 as an example, this paper tries to find out how to connect theoretical grammar with teaching grammar, and how to compile and teach 了_2 as a grammatical item.

Tendency of the Harmonious Combination of Natural Law Theory and Legal Positivism;

The decline of natural law theory is mainly seen in Rousseau s criticism against the political ideas of natural law and Hegel s denial of the proving method of natural law,in Austin and Savigny s denial of the law theory of natural law,and in Hume and Cornte s denial of the philosophy theory of natural law.