1.Adjective phrase as a subject complement: "A captivating storyline and well-developed characters are fundamental to a movie's blockbuster success" uses an adjective phrase "fundamental" as a subject complement, adding depth and complexity to the sentence.
2.Relative clause: "that resonates with a broad audience" is a relative clause that provides additional information about the "compelling plot," enhancing the sentence's richness and detail.
3.Present participle phrase as an adverbial: "Incorporating strong emotional or thrilling elements" uses a present participle phrase as an adverbial to describe the action, adding complexity to the sentence structure.
4.Noun phrase as a subject: "Adaptations of popular books or franchises" serves as the subject of the sentence, using a complex noun phrase to describe a trend, enhancing the depth and complexity of the expression.