Sentence structure as subject: "Confronted with a noisy neighbor's party" in which "Confronted" is a past participle used as a subject complement, describing the situation faced, the use of this structure adds descriptive and complexity to the sentence.
Noun phrase as object: In "focus on personal coping strategies," "personal coping strategies" is a noun phrase serving as the object of "focus on," clearly expressing the content of the strategy.
Verb phrase as predicate: In "I'd engage in relaxation techniques," "engage in relaxation techniques" is a verb phrase serving as the predicate of the sentence, specifying the action taken, adding dynamism and depth to the sentence.
Gerund phrase as subject: In "Immersing myself in a hobby," "Immersing" is a gerund phrase serving as the subject, introducing another way of solving the problem, demonstrating the diversity of sentence structure.