This language textbook is designed for beginning students of Tagalog, the principal language spoken on the island of Luzon in the Philippines. The introduction discusses the history of Tagalog and certain features of the language. An explanation of the text is given, along with notes for the teacher. The text itself is divided into nine sections: (1) Basic Sentence Patterns and the Ang-Construction; (2) The Ng-Construction; (3) Existential Constructions; (4) Aspects of Verbs in Actor-Focus; (5) Aspects of Verbs in Goal-Focus; (6) The Sa-Construction and Other Focuses; (7) Recently Completed Aspect and Some Modals; (8) Expansion of Structures; and (9) Aptative and Causative Verbs. The seven appendices include: (1) Classified Supplementary Vocabulary Lists; (2) Expressions for Various Occasions; (3) Pronunciation Drills; (4) Charts Showing Verbal Aspect Formations; (5) Worksheets for Informant Sessions; (6) Sample Oral and Written Tests; and (7) Native Songs. A glossary is also included. (CFM)