Abstract
This article explores the theory of parts of the sentence, focusing on their
classification into primary, secondary, and tertiary components. It provides an overview of
the principles underlying these categories, emphasizing their functional roles in sentence
structure. Special attention is given to secondary parts, such as objects, attributes, and
adverbial modifiers, which enhance the basic subject-predicate framework. The discussion
also addresses the challenges associated with tertiary parts, including their definition, contextual variability, and overlap with pragmatics. The article concludes by highlighting
the importance of this theory in understanding the complexity and adaptability of langu
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