Knowing the different parts of speech is important in understanding how words can and should be joined together to make sentences that are both grammatically correct and readable. However, gradual understanding of parts of speech also lets you know how to correctly punctuate sentences.
In order to improve your result in the IELTS test scores, both for speaking and writing, it is important to be aware of the parts of speech to create sentences in English. Talking about them in detail, Nouns and Pronouns are important, because they identify the subjects and objects of sentences.
Adjectives are important because they describe the nouns of a sentence whereas verbs are important because they are the action of a sentence. Since adverbs give more information about a verb, they also play an important role as they answer questions like how, when, where etc. Prepositions are important because they give more information such as location, direction etc.
Conjunctions being able to join parts of a sentence play a very important role in English grammar. Last but not the least; Interjections are important because they express the writer’s emotions.
Another name for parts of speech is ‘word classes’. However it is quite important to recognize them as it helps to analyze and construct good sentences.