Sociolinguistic patterns are influenced by social class, education, occupation, age, income, networks, sex, style, region, migration, and urbanization. The document discusses sociolinguistic variables such as phonological variables like postvocalic /r/, grammatical variables like third person singular verb forms, and how variables pattern based on gender, age, and social networks. Standardization aims to establish one uniform variety by regulating its features, though the process is never complete.