Articles and Demonstratives
Lesson 2-Articles & Demonstratives Articles are special adjectives that come before nouns. The words a, an, and the are articles. Example: The telescope was mounted on a large tripod.
Articles-The Use the to refer to a specific item(s). Examples: the sun the eye the stars
Articles-A & An Use a or an to refer to any one item in a group. A is used before words beginning with a consonant. An is used before words beginning with a vowel sound. Examples: a planet an astronomer an hour
Demonstratives Adjectives that tell which one are called demonstrative adjectives. They point out specific persons or things. Example: This planet is nearer to the sun that that star. These telescopes are more powerful than those telescopes.
Demonstratives The demonstratives this and these point out nearby people or things. The demonstratives that and those point out people or things that are more distant.
Singular/Plural Demonstratives Singular demonstratives: this That Plural demonstratives: these those
Guided Practice The astronomers are observing (a, the) sky. Directions: Write which words correctly completes each sentence. The astronomers are observing (a, the) sky. This observatory has (a, an) enormous telescope. We made a visit to (a, an) observatory. The sky was very clear (that, those) evening. (This, These) chart shows the constellation Pisces.