ABSTRACT Casanova, Brillian Aji (2023). " An Analysis of Formulaic Expressions in Dialogues of Tenth Grade English Textbook ". A Paper. Magelang: English Department, Faculty of Education and Teacher Training, Universitas Tidar. Rini Estiyowati Ikaningrum, M.Pd. as the first advisor, Agnira Rekha, M.Pd. as the second advisor. Keywords: Communication, Formulaic expression, Textbook, Dialogue.…