Practical English Usage 4e on PCPractical English Usage 4e, coming from the developer Oxford University Press ELT., is running on Android systerm in the past. No more eyeing the battery or frustrating calls at the wrong time any more.Just enjoy Practical English Usage 4e PC on the large screen for free！Practical English Usage 4e IntroductionOver 600 short entries on common problems in EnglishFree sample entries available: see below.Entries cover:spoken and written grammar, vocabulary, spelling and pronunciation,formal and informal language, British-American differences Clear simple explanations; examples in natural everyday EnglishNew revised and updated edition, reorganised into two parts for easier quicker reference: 1. Complete topic-by-topic student's grammar, with section introductions highlighting common mistakes. 2. Guide to key vocabulary topics, with A–Z list of over 250 common word problems. Additional background notes on:• changes in English• the meaning of ‘correctness’• standard English and dialect grammar • other world varieties of English • style and idiom • politeness • avoiding offensive languageand many other mattersWhen using the app, you can:• find the information you want quickly through the Index search or the systematic Contents list• navigate immediately between related entries through the many cross-references • listen to demonstrations of pronunciation points• create your own list of favourite entries• go to ‘History’ to return to recent searches Free sample entriesWhen do we use ‘will’, ‘going to’ or present progressive to talk about the future?Can ‘they’ and ‘them’ have a singular meaning?Why can't we say *‘She’s very interested in the nature’*?When do we use ‘get’ as a passive auxiliary? For example: ‘He got caught.’The truth about conditionalsWhen do we use ‘bring’ and when do we use ‘take’?When do we use ‘can’, ‘could’, ‘may’ or ‘might’ to talk about permission?How do we read out an email address?How can we use a question to sound more polite?When do we use ‘classic’ and when do we use ‘classical’?How do we use passives like 'Her sister was given the car'?Why can't we say *‘I look forward to hear from you’*?When do we use ‘do’/’does’/’did’ in questions beginning ‘Who...’? And when not?To access free sample, click ‘Install’ above