The present study examines how second language learners (L2) assign the thematic roles of agent/patient in Spanish passive sentences with ser (often referred to as the true passive) when it is their ...

Dwight Bolinger, A Grammar for Grammars: The Contrastive Structures of English and Spanish, Romance Philology, Vol. 21, No. 2 (November 1967), pp. 186-212 ...