Green Apple : Mystery in San Francisco + audio CD + App

Green Apple is a series of richly illustrated graded readers especially designed for elementary school students. The series is based on internationally recognized standards of lexical and structural control – from beginner to elementary, offering original stories as well as adapted classics in a variety of genres.Beginner: Written completely in the present tense with very simple vocabulary and grammar for students who are just starting English Grammar covered: Present Simple/Continuous - be/have got - can, cannot, must imperatives - let’s (do) simple time clauses - verbs and prepositions Basic: Written in the present and past simple tenses, using simple vocabulary and grammar. Grammar covered: Past Simple regular/irregular - will future - could Elementary: Although the story is still written in the present and past simple tenses, there are longer sentences, more joining words and a richer vocabulary. Grammar Covered: Past Continuous - present/past passive form - verb + gerund/infinitive if clauses (type 0) - comparatives/superlatives – regular/irregular  simple phrasal verbs - would, should, need Features of the Green Apple series: • introduction on the author • wide variety of stimulating activities to develop the four skills including internet projects • extensive footnotes with picture illustrations wherever possible • informative dossier sections containing useful background information about