Final answer:
Knowing the part of speech of a word helps readers understand a sentence by identifying the role and meaning of each word.
Step-by-step explanation:
Knowing the part of speech of a word is essential for understanding a sentence. It helps readers decipher the role of each word in the sentence and comprehend the overall meaning. For example, if a word is identified as a noun, it signifies a person, place, thing, or idea, while a verb represents an action or state of being.
Learn more about Understanding the part of speech of a word to comprehend sentence meaning