Corpus studies involve the analysis of large collections of texts, known as corpora, to understand language patterns, usage, and structure. Researchers compile these corpora from various sources, such as books, articles, and spoken language, to examine how words and phrases are used in different contexts. This method helps linguists and language learners identify trends and variations in language. By using corpus linguistics techniques, scholars can explore aspects like frequency, collocation, and grammatical structures. The findings from corpus studies can inform language teaching, improve natural language processing in technology, and contribute to the development of dictionaries and grammar guides.