Ebooks (Sách điện tử)Authors : Caisee, Susan (2021)
Welcome to Explorations 1: Grammar for the Experienced Beginner. This English grammar textbook was designed for a class of Clackamas Community College (CCC) ESOL students who need only a review of the BE verb and are ready to learn the simple present and present progressive tenses. This textbook has four chapters. Each chapter covers a grammatical point/component/element. Chapter 1 is a review of the BE verb. The BE is special an... 
