Practical English Usage is recommended for any teacher, trainee teacher, or advanced-level student looking for answers to questions about the English language. The material is now organised in two parts (grammar and vocabulary), making it easier than ever to find the answers, either online or in print.

Part 1 is a complete practical learner's grammar with 28 sections, covering all the structural points that cause problems for learners.

Part 2 is a guide to vocabulary problems covering:
- rules for word formation and spelling
- a survey of high-priority vocabulary areas
- an A-Z guide to over 250 common word problems

The 600+ entries provide answers to the questions that learners typically ask, for example:
- use of tenses
- the truth about conditionals
- article problems
- singular they
- get as a passive auxiliary
- bring or take?
- can, could, may or might?
- classic or classical?
- the language of emails
- rules for word formation and spelling

Plus:
- the grammar of speech and formal writing
- British-American differences
- questions of style and idiom
- changes in English
- politeness
- avoiding offensive language
- a survey of high-priority vocabulary areas
- a guide to over 250 common vocabulary problems
- lists of learners' most common mistakes