This document provides instruction on using "there is" and "there are" correctly in sentences. It explains that "there is" is used for singular subjects and "there are" is used for plural subjects. It also discusses using "a" with singular countable nouns starting with consonants and "an" with singular countable nouns starting with vowels. Several examples are given to illustrate the different uses of "there is" and "there are" along with questions to practice identifying when each is appropriately used.