Coe, Norman, Grammar spectrum 3; intermediate with aswers / Norman Coe - 1 - Estados Unidos de AmeĢrica : OXFORD - 120 P. Verbs and tenses; modals and other verbs, infinitives and ing forms. ISBN: 0-19-431414-6 Subjects--Topical Terms: 1. INGLES 2. GRAMMAR Universal Decimal Class. No.: 421 C650