This course is designed to enhance students’ knowledge of the origins and variations of current English languages. The first part of this course aims to provide a historical background of English. The second part will cover the key issues in sociolinguistic studies, including standard English vs. dialects; language and age; language and gender; language used in different social context etc. In the third part, the main focus will be the discussion of the outcomes of English’s contact with other languages, including the issues such as, bilingualism, language shift and language endangerment etc.