... I (sleep)28 CHAPTER 2 Azar, Betty Schrampfer Understanding andusingEnglishgrammar / BettySchrampfer Azar - - 3rd ed.p. cm.Includes index.ISBNO-13-958661-X1. English language—Textbooks ... to rain.Present and Past, Simple and Progressive 27 UNDERSTANDING AND USING ENGLISH GRAMMAR Third Edition AcknowledgmentsThe second edition of UUEG was thoroughly reviewed by twenty-five ... of the contributing writers for the Understanding andUsingEnglishGrammar Workbook, Second Edition: Rachel Spack Koch,Susan Jamieson, Barbara Andrews, and Jeanie Francis. Some of the exercise...