Teshaboyeva Nafisa Zubaydulla qizi Scientific advisor: Jizzakh branch of the National university of Uzbekistan named after Mirzo Ulug’bek. The faculty of psychology, the department of Foreign languages; Philology and teaching languages: English Mardaqulov, “CODE SWITCHING AND IT’S FUNCTION IN BILINGUAL SPEECH”, ZT, vol. 3, no. 7, pp. 12–17, May 2025.