I. Introduction
II. Review: Quirky subject constructions
III. Only passive si is dative
1. Evidence from double object construction
2. Evidence from reflexive si with an object
3. Evidence from self-Benefactive verbs
IV. Verb-object Agreement
V. Past participle agreement with si constructions
1. Passive si constructions
2. Impersonal si constructions
3. reflexive si
VI. Conclusion
References