摘要
To use a language properly,we of course have to know the grammatical structures of the language and their meanings,but we also have to know what forms of language are appropriate for given situations,and for this purpose,this thesis briefly explains the social variants of English,such as (informal English),(written English)and (American English).
To use a language properly,we of course have to know the grammatical structures of the language and their meanings,but we also have to know what forms of language are appropriate for given situations,and for this purpose,this thesis briefly explains the social variants of English,such as (informal English),(written English)and (American English).
