When we speak or write we use words. we generally use these words in groups; as,
The girl wrote a letter to her boyfriend.
A group of words like this , which makes complete sense, is called a Sentence.
Parts of Speech
words are divided into different kinds or classes, called parts of speech, according to their use; That is, according to the work they do in a sentence. The parts of speech are eight in number:
Some grammar books categorize English into 9 or 10 parts of speech. At here we use the traditional categorization of 8 parts of speech:
1. Noun 2. Adjective 3. Pronoun 4.Verb
5. Adverb 6. Preposition 7. Conjunction
8. Interjection
1. NOUN
A noun is the name of a person, place, thing, idea, or quality.
Examples: John, Mary, boy, girl, children; Pasadena, CEC; classrooms, notebooks; freedom, intelligence; hope, anger, joy
2. PRONOUN
A pronoun is usually a substitute for a noun. The noun is called the "antecedent" (but an indefinite pronoun has no antecedent).
Examples:
a. Personal pronouns: I, mine, me; you, yours; he, his, him; she, hers, her; it, its; we, ours, us; they, theirs, them.
b. Interrogative pronouns: who, whose, whom, which, what
c. Relative pronouns (include): who, who, whose, which, that; whoever, whomever, whichever
d. Demonstrative pronouns: this, that, these, those
e. Indefinite pronouns (include): all, another, any, anybody, anyone, anything, both, each, either, everybody, everyone, everything, many, neither, nobody, no one, none, one, others, some, somebody, someone, such