1.Conditional clauses: "When used in a balanced and monitored way, technology can actually enhance learning" uses a conditional clause to express a situation and its potential outcome, demonstrating complex sentence structure.
2.Present participle as an adverb: "detrimentally affecting concentration" uses the present participle "affecting" as an adverb to describe the action, adding depth and complexity to the sentence.
3.Noun phrase as subject: "Parental control and guidance" serves as the subject of the sentence, using a complex noun phrase to describe an important factor, enhancing the depth and complexity of the expression.
4.Comparative structure: "more significant than the medium itself" uses a comparative structure to emphasize the importance of content quality over the medium, showcasing advanced grammar proficiency.