The study of second language acquisition has been under taken to provide the in-depth know-how of basic mechanics of language transfer. The concept has been developed of second language acquisition by providing the difference between closely related terms like first language acquisition, second language acquisition or foreign language learning along with the description of Universal Grammar and Interlingua like terms. Most second language learners do not achieve the same degree of proficiency in a second language as they do in their native language.
Many researchers have already worked in this field ...