Tense Generation in an Intelligent Tutor for Foreign Language Teaching: Some Issues in the Design of the Verb Expert Danilo Fum author Paolo Giangrandi author Carlo Tasso author 1989-04 text Fourth Conference of the European Chapter of the Association for Computational Linguistics Harold Somers editor Mary McGee Wood editor Association for Computational Linguistics Manchester, England conference publication fum-etal-1989-tense https://aclanthology.org/E89-1017/ 1989-04