Parts of speech are the building blocks of sentences in the English language. They categorize words based on their function and role in a sentence. The main parts of speech include nouns, which name people, places, or things; verbs, which express actions or states; and adjectives, which describe nouns. Other parts include adverbs, which modify verbs, adjectives, or other adverbs; pronouns, which replace nouns; prepositions, which show relationships between words; and conjunctions, which connect words or groups of words. Understanding parts of speech helps us construct clear and effective sentences. For example, in the sentence "The cat quickly jumped over the fence," "cat" is a noun, "quickly" is