Abstract 1. Basic Properties of VP Ellipsis 2. Some Fundamentals of HPSG 2.1. Universal Grammar 3. An HPSG Analysis 3.1. VP Ellipsis: General Cases 3.2. VP Ellipsis after an Adverb 3.3. VP Ellipsis with Negation 4. A Brief Comparision with Derivational Approaches 5. Conclusion References