Abstract
1. Introduction
2. The Syntax of the Copula Be as a Light Verb
3. Null Copula: The Grammatical Deletion of the Copula Be
3.1 The Omission of the Copula Be in Child Acquisition
3.2 The Omission of the Copula Be in Grammatical Diversity
4. Diachronic Grammaticalization of the Copula Be
5. Conclusion
References