동남아시아연구 26권 4호(2016) : 365～404 Southeast Asian Review 26(4) Patterns of Errors in Compositions of Korean Learners of Filipino Language RONEL O. Laranjo*․SHIN Seong-Chul** 1) Ⅰ . Introduction Children learning their native language make countless errors until they master the system. The same phenomenon can be observed with adults learning a second language or foreign language. As such, errors are inevitable during the process of language acquisition and learning. Researchers assert that errors are significant in the process of second language acquisition. For instance, Corder (1981) noted that learner’s errors are significant in that they provide to the researcher evidence on how language is learned or acquired and what strategies or procedures the learner is employing in the discovery of the language. This study deals with errors produced by Korean learners of the Filipino language. The Philippines is a multi-lingual country with more than 150 languages but there is a lingua franca which is spoken by the majority of the Filipinos, the Filipino language. Filipino, also the national language, is used in schools as one of the medium of * University of the Philippines, Diliman. ronel_laranjo@yahoo.com ** University of New South Wales. s.shin@unsw.edu.au