On the Communicative Function of “也” Sentences

"也" is one of the most frequently used words in Chinese. The meaning of "similarity" is the most common form of "也". In view of the fact that words with the meaning of "similarity" also widely exist in other languages, for Chinese learners, "也" with the meaning of "similarity" is not Difficult to master. However, in modern Chinese, there are many "也" sentences with non-"similar" meanings that make it difficult for foreign Chinese learners to understand, let alone use them accurately. This is because this kind of "也" sentence has a very special expressive function and is a function word, so it is difficult to give perfect explanations to students in teaching.Through the analysis and classification of corpus, this article classifies the semantic types of sentences with modal adverb "也". At the same time, it analyzes and summarizes the role of "也" in the process of language communication, and concludes that "也" sentences Ability to use a low profile and soft tone to stabilize the other party's emotions and achieve effective communication in difficult situations. This article also analyzes and reveals the reasons why the "也" sentence is endowed with this communicative function from a diachronic and cognitive perspective.It is hoped that this article can help Chinese language learners better understand the pragmatic functions of "也" sentences, and be able to use "也" sentences to help them achieve their communicative goals. It will also add basic information to the study of "也" in Chinese.