Comparison Of Linguistic Differences Between American English And British English

English is a world language. It is easy for any language to produce different varieties with the changing of sounds, vocabulary and grammar, which are employed by more and more people in more and more districts and areas. The paper is aimed at the grammatical differences and relations between two English varieties桝merican English and British English. The research adopts the comparative methods and applies social linguistics and historical linguistics theory to study the variety formation and its future development. The study also discusses how to deal with the differences in the language learning and teaching.The first chapter is the brief introduction of the whole dissertation. The second chapter is the theory background. The third chapter describes the history of American English and British English. The fourth chapter is the comparative research that is divided into seven parts discussing the difference in verbs, nouns, articles, pronouns, prepositions, adjectives and adverbs and other usages. The fifth chapter is about the reasons of differences formation, the influence of the two dialects and their future tendency. The study also discusses in the last chapter how to deal with the differences in the language teaching.