Home > Presentations > How to Request a Presentation In order to request a presentation, first browse our Presentation Menu and choose the presentation you would like have. Then fill out the Presentation Request form on the back of this brochure (or at www.oxford.co.kr). Please note that we usually require a minimum of 10 participants. Mastering Vocabulary and Idiomatic Expressions Collocations, idioms and phrasal verbs are language chunks frequently used in everyday English, and pose one of the most difficult challenges to language learners in gaining fluency. (Can You Believe It?) Name *Please input your name. School Name 가르치는 대상 select Children Secondary Adult University Private Tutor Parent Others Email Contact Phone Number Mobile Phone Number Fax Place of Work -   (상세주소)   *Please input your complete school address.