Sin Duda - Usos del Espanol - Nivel Intermedio (Spanish, Paperback)

"Sin duda" is the second part of the series "Usos del espanol". Contents are organized into three main sections: Uses of the indicative, focusing on the past tense; Problems with the verbs ser/estar and the prepositions por/para; and, The subjunctive. This book is structured into 18 units, and each of them is divided into three sections: La Pizarra - its main objective is providing a synthetic analysis of the main points covered in the unit; Ejercicios - this section provides exercises to practise what has been learnt; and, Que me cuentas - vocabulary section containing new words and constructions. The book includes at the back a verb conjugation section and the answer key to the exercises.