Parts of Speech are important in English.
Nouns: name a person, place, thing, or idea.
Pronouns: take a noun's place
Adjectives: describe a noun or pronoun
Verbs: describe an action or a state
Adverbs: describe an adjective, verb, or adverb.
Prepositions: show a relationship of place, time, location, or direction between words.
Conjunctions: connect words, phrases, and clauses
Interjections: tell emotion or surprise