thekinds of language feature switched and mixed by people in facebook are; word occur 8 times (21%), phrases occur 13 times (37%), then clauses occur 9 times (24%) and the last sentences occur 7 times (18%). and there are three kinds of code switching and code mixing they use in facebook: tag switching occur 19 times (54%), intra-sentential switching occur 17 times (41%). and their sentential switching occur 1 time (5%).