Frontmatter -- PREFACE -- CONTENTS -- LIST OF TABLES -- LIST OF FIGURES -- 1. INTRODUCTION -- 2. THE VERBAL GROUP -- 3. THE CLAUSE -- 4. VOICE DATA PROCESSING -- 5. PASSIVE CLAUSE CLASSIFICATION: CRITERIA -- 6. PASSIVE CLAUSE CLASSIFICATION: COMPUTATION AND RESULTS -- 7. THE USE OF THE PASSIVE -- 8. CONCLUSIONS -- APPENDICES -- BIBLIOGRAPHY -- INDEX