1.Noun phrase as subject: "Adolescence, spanning from ages 13 to 18," serves as the subject of the sentence, using a complex noun phrase to specify the time frame, adding precision and depth to the sentence.
2.Present participle phrase as an adverbial: "spanning from ages 13 to 18" uses a present participle phrase as an adverbial to describe the duration of adolescence, enhancing the sentence's complexity and detail.
3.Compound sentence: "They are significantly influenced by social media and global perspectives, which contribute to the formulation of their personal beliefs and values" uses a compound sentence structure to connect related ideas, demonstrating advanced grammar skills.
4.Present continuous tense: "adolescents increasingly assert their individuality" uses the present continuous tense to describe an ongoing action, adding a sense of immediacy and relevance to the sentence.