1.Gerund as a subject: "Cultivating a competitive edge" uses the gerund "cultivating" as the subject of the sentence, demonstrating a complex grammatical structure.
2.Present participle as an adjective: "Embracing a growth mindset" uses the present participle "embracing" as an adjective to describe the action, adding depth to the sentence.
3.Parallel structure: "Setting clear, achievable goals and maintaining motivation" uses parallel structure to emphasize the importance of both actions, showcasing a complex sentence structure.
4.Noun phrase as a subject: "A positive attitude and persistence" serves as the subject of the sentence, using a complex noun phrase to describe essential qualities, enhancing the depth and complexity of the expression.