Susan ConradSusan Conrad is Professor of Applied Linguistics at Portland State University. Her research investigates how people vary their grammar, vocabulary, and organization to fulfil different purposes. Her work has appeared in diverse journals, from the Jounal of Engineering Education to Register Studies. Her previous books include Real Grammar: A Corpus-Based Approach to English (2009) and Longman Grammar of Spoken and Written English (1999) among others. Read More Read Less