http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
ix, 261 páginas : ilustraciones a color ; 27 cm.
Tenses: present -- Tenses: past -- Tenses: future -- Sentences and questions -- Modals verbs -- Articles, nouns, pronouns, etc -- Adjectives and adverbs -- Prepositions -- Verbs -- Conditionals and reported speech -- Building sentences
Norman Coe, Mark Harrison, Ken Paterson.