The Representation of Nominalization in the Category of Discourse

People gradually learn that in grammar category, nominalization has a very close relation to the category of discourse. This article discusses nominalization from the viewpoints of three linguistic schools, then goes into the systemic functional linguistics in particular, and points out that nominalization is due to the need of communication, and has a very close relation to the category of discourse. Through the analysis of chosen language materials, this article wants to prove that the frequency of nominalization is in direct proportion to the degree of the formality of the category of discourse. That is to say, the higher the frequency is, the higher the degree is. It 's the same the other way round.