This document discusses the use of definite and indefinite articles in English. It notes that the indefinite articles "a" and "an" are used to refer to nonspecific or unspecified things, with "a" being used before words beginning with consonant sounds and "an" being used before words beginning with vowel sounds. It then provides a series of words where the reader is prompted to write either "a" or "an" as the indefinite article.

1. DEFINITE AND INDEFINITE ARTICLES ENGLISH I

2. INDEFINITE ARTICLES A = use to refer to one thing.. book oil a an Omni CD Umbrella Museum Orange Pen Octopus Hospital Oyster desk Apple cell phone i-pod house an a

3. Write a - an. __ eraser __ color __ urgency __ orange __ work __ apricot __ number __ picture __ t shirt __ airplane __ restaurant __ umbrella __ desk __ bakery __ ugly guy __ cookies __ friend __ eye