[Anttila, Raimo. 1989. Historical and comparative linguistics, 2nd edn. Amsterdam/Philadelphia: John Benjamins.]Search in Google Scholar
[Brinton, Laurel J. & Donna M. Brinton. 2010. The structure of modern English: A linguistic introduction. John Benjamins Publishing Company.10.1075/z.156]Search in Google Scholar
[Fries, Charles Carpenter. 1952. The structure of English. New York: Harcourt Brace.]Search in Google Scholar
[Kuo, Jing-Yun. 2006. Jiaguwen zhong “shen” zi de chuxing ji qi yongyi [The form and meanings of shen in oracle bone inscriptions]. In Guwenzi Yanjiu [The study of ancient Chinese characters] 26. 95-100. Beijing: Zhonghua Shuju.]Search in Google Scholar
[Lakoff, George. 1987. Women, fire, and dangerous things: What categories reveal about the mind. Chicago: University of Chicago Press.10.7208/chicago/9780226471013.001.0001]Search in Google Scholar
[Lakoff, George & Mark Johnson. 1980. Metaphors we live by. Chicago: University of Chicago Press.]Search in Google Scholar
[Liu, Xiaofan. 2008. Chengdu fuci “tǐng” de yufahua [Grammaticalization of degree adverb ting]. Xiandai Yuwen [Modern Chinese (Language studies)] 30. 26-27.]Search in Google Scholar
[Liu, Zhenqiang. 1985. Dacidian [Big dictionary]. Taipei: Sanming Book Co., Ltd.]Search in Google Scholar
[Luo, Zhufeng. 1986. Hanyu Dacidian [Chinese dictionary]. Shanghai: Shanghai Dictionary Press.]Search in Google Scholar
[Traugott, Elizabeth. C. 1988. Pragmatic strengthening and grammaticalization. Proceedings of the Fourteenth Annual Meeting of the Berkeley Linguistic Society, 406-416. Berkeley, CA: Berkeley Linguistics Society.10.3765/bls.v14i0.1784]Search in Google Scholar
[Traugott, Elizabeth. C. & Richard B. Dasher. 2002. Regularity in semantic change. Cambridge: Cambridge University Press.10.1017/CBO9780511486500]Search in Google Scholar
[Wang, Su-zhen. 2007. Feichang de yufahua guocheng [Grammaticalization of feichang]. Langfang Shifan Xueyuan Xuebao [Journal of Langfang Teachers University] 1. 29-31.]Search in Google Scholar
[Yang, Rong-xiang. 2005. Jindai hanyu fuci yanjiu [The study on adverbs in contemporary Mandarin]. Beijing: The Commercial Press.]Search in Google Scholar
[Zhao, Jun. 2006. Ji de yufahua, kebuxing he xiangduixing [The grammaticalization, complementation and relativity of Ji]. Yuwen Xuekan [Journal of language and literature studies] 12. 112-114.]Search in Google Scholar