There are EIGHT parts of Speech in English Grammar, they are: Noun, Pronoun, Verb, Adverb, Adjective, Preposition, Conjunction and Interjection.
A noun is a word used as the name of a person, place, or a thing.
Eg. Jesus is the founder of Christianity.
A pronoun is a word used instead of Noun.
Eg. Jesus is God yet He serves people.
A verb is a word used to express an action or state.
Eg. An apostle Paul wrote most of the New Testament in the Bible.
An adverb is a word used to add something to the meaning of a verb, an adjective or another adverbs.
Eg. The Bible’s answer is very clear to your question.
An adjective is a word used to add something to the meaning of a noun.
Eg. There are 66 books in the Bible.
A preposition is a word placed before a noun or pronoun to show in what relation a noun ( or a pronoun) stands to something else.
Eg. Sin nature is in us.
A conjunction is a word used to join words or sentences.
Eg. Confess your sins and you will be save.
An interjection is a word which express some sudden feelings.
Eg. Oh! Are they eloped!!!