2.2 The Researches on the Use of Amplifiers
Quite a lot of surveys have been done in recent years on the use of amplifiers home and abroad, and studies based on learner corpora to describe and analyze this kind of words have been making great progress. Since the 1990 s, researches that based on the corpus-based study on amplifiers have been carried out step by step.
中国英语学习者在口语中增强词的调查研究(3):http://www.751com.cn/yingyu/lunwen_57165.html