随着社会现代化的不断发展和人们生活水平的不断提高,对于语言类的学习和研究也逐步被人们所熟知。语言类型学和二语习得二者之间相辅相成,语言类中所总结归纳出的“蕴含共性”、“标记理论”和“语法层级”等观点是学习二语的理论基础,并且为研究二语习得提供必要的解释和预测依据。通过对二语习得的语言共性和语言发展的研究,可以帮助我们对语言的本质有更为深刻的了解。 With the continuous development of social modernization and continuous improvement of people’s living standards, the study and study of language classes are gradually well-known. Language typology and second language acquisition complement each other, the language class concluded that “commonalities”, “mark theory” and “grammatical level” and other ideas is to learn the second language theory Basis, and provide the necessary explanation and forecast basis for the study of second language acquisition. Through the study of linguistic commonalities and language development in second language acquisition, we can help us to have a deeper understanding of the nature of language.