1. Count nouns - names things that can be counted. count nouns have two forms, singular and plural. To make most count nouns plural, add -s
Example: Our neighbors have two horses.
2. An adjective describes, or tells about, a noun. An adjective sometimes appears after verbs such as is,are,feel,smell, and taste.
Example - Roses are beautiful, and they smell sweet.
3. Quanity adjectives tell "how much" or "how many". Quanity adjectives go before a plural noun. Common quanity adjectives are: most, many, some, several, both.
Example - Many students check out several library books each week.