1.Conditional clauses: "For example, basic entry to museums and galleries could be free to ensure accessibility, while special exhibitions or events could require a fee to help cover costs." This sentence uses conditional structures to discuss possible scenarios, showing advanced grammar usage.
2.Relative clauses: "whereas public institutions, especially in wealthier countries, could be funded by the government and offer free access." The use of relative clauses adds detail and complexity to the sentence.
3.Passive voice: "could be funded by the government" uses the passive voice to focus on the action rather than the doer, which is common in formal and academic English.
4.Infinitive of purpose: "to ensure accessibility," "to help cover costs," and "to sustain themselves" all use the infinitive form to express purpose, demonstrating a range of grammatical structures.