... items) are given in infinitive form and have to be conjugated into an appropriate tense. Sometimes, in order to avoid ambiguities, additional information describing the correct interpretation ... Intelligent Tutoring Systems, in the specific domain of foreign language teaching (Barchan, Woodmansee, and Yazdani, 1985; Cunningham, Iberall, and Woolf, 1986; Schuster and Finin, 1986; Weischedel, ... framework of linguistic studies on verb generation and of intelligent tutoring systems for language teaching. 2. THE TENSE GENERATION PROBLEM An important part of the meaning of a sentence...