Compound sentence: The advent of online reviews has revolutionized customer service; companies are increasingly vigilant, knowing that a single review can impact their reputation. This sentence contains two clauses connected by a semicolon, increasing the complexity of the sentence.
Parallel structure: Maintaining a positive image is paramount, compelling businesses to elevate their service standards. This sentence uses a parallel structure, linking two actions, "Maintaining a positive image" and "compelling businesses to elevate their service standards," enhancing the expressive ability.
Past participle phrase: The advent of online reviews has revolutionized customer service. This sentence uses the past participle phrase "revolutionized" to describe the impact of "the advent of online reviews" on customer service, adding complexity to the sentence.
Adjective clause: maintaining a positive image is paramount This is an adjective clause used to modify the noun "the importance," enhancing the amount of information and complexity in the sentence.