What You Need to Know About is a series intended for intermediate learners. It covers various aspects of English and helps learners achieve mastery through comprehensive coverage of each aspect.
Prepositions is an extensive collection of the most commonly used prepositions with their various meaning. It guides learners on the correct usage of prepositions in context.
130 prepositions, with simple explanations and example sentences
Language and grammar notes to strengthen understanding
An exercise section to reinforce learning