1.3 Research questions
1. What are the linguistic features distinguishing formal English and informal English?
2. How do different linguists in their own theories interpret formal English and informal English both in theories and in contexts?
3. What samples in Downton Abbey can manifest difference of formal English and informal English through analysis?
4. What are the causes of effects of formality and informality in English?
《唐顿庄园》正式用语和非正式用语的对比性研究(3):http://www.751com.cn/yingyu/lunwen_45476.html