1.Adjective as a subject complement: "it's quite detrimental" uses the adjective "detrimental" as a subject complement to describe the situation, adding depth to the sentence.
2.Present participle as a noun: "fostering bonding and communication" uses the present participle "fostering" as a noun, showcasing advanced grammar structures.
3.Present simple tense: "They provide a platform for family members to discuss their daily experiences" uses the present simple tense to describe a general truth, demonstrating a good command of grammar.
4.Noun phrase as a subject: "the absence of such gatherings" serves as the subject of the sentence, using a complex noun phrase to describe a situation, enhancing the depth and complexity of the expression.