http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a self-study reference and practice book for intermediate learners of english
x, 380 páginas : ilustraciones ; 27 cm + 1 CD-ROM (12 cm)
Present and past -- Presentperfect and past -- Future --Modals -- If and wish -- Passive -- Reported speech -- Questions and auxiliary verbs -- Articles and nounds -- Pronouns and determiners -- Relative clauses -- Adjetives and adverbs -- Conjunctions and prepositions -- Prepositions -- Phrasal verbs