Final answer:
By combining syntactic phrases, we are able to create syntactic structures.
Step-by-step explanation:
By combining syntactic phrases, we are able to create Syntactic Structures. Syntactic structures refer to the way words are organized into sentences. It involves the arrangement of words, phrases, and clauses to create a meaningful and grammatically correct sentence. For example, in the sentence 'I like to read books,' the syntactic structure would be 'I like [to read books].'