The present paper addresses itself with a study of issues related to logicality,grammaticality,appropriateness,(socio-)cognition,and cross-cultural communication from an interdisciplinary perspective of application.

On the basis of the degree that the grammaticality restricts the information redundancy in English sentences,this paper discusses the information redundancy required,permitted,or forbidden by the grammaticality.

The traditional grammatical theory insists that linguistic acceptability should accord with grammaticality,while the generative grammar thinks that acceptability and grammaticality are two different concepts and that the grammatical sentences are not necessarily acceptable and vice versa.

In order to make use of training corpus sufficiently and get the higher tagging accuracy, the training and tagging method is improved from two aspects: using other grammatical attributes of word.

On the basis of former researches, this article discusses the semantic developing process of ba (吧) , as well as its grammatical attribute.

The most distinctive feature of this book among its contemporaries is the fact that it has introduced grammatical word class into meaning explanation, an approach which has greatly contributed to the transformation from the traditional philological studies to modem linguistics.

It holds that the relation between grammaticality and acceptability is more complicated than what most people realized.