Noun: The name of a person, place or thing. e.g, Boy, city and book.
Pronoun: Which is used in place of noun. e.g, I,we, they, you.
Adjective: Describes or qualifies the noun and pronoun. e.g, nice, big, short, long.
Adverb: Qualifies a verb, an adjective or another adverb. e.g, Briskly, regularly, certainly.
Verb: Descibes an action words. e.g, read, write, walk.
Preposition: Which is placed before a noun or a pronoun to show their connections with another words e.g, on, from, of, under.
Conjunction: A word joins words or sentences together. e.g, and, but, because.