1.Modal verbs: "Children can significantly assist their parents" uses the modal verb "can" to express ability, adding a layer of meaning to the sentence.
2.Gerunds as subjects: "dusting, sweeping, or vacuuming" uses gerunds as subjects to describe the actions children can take, demonstrating a complex grammatical structure.
3.Correlative conjunctions: "not only... but also" is used to connect two related ideas, enhancing the complexity and coherence of the sentence.
4.Infinitive phrases: "to ease the parents' workload" and "to instill a sense of responsibility and time management" use infinitive phrases to explain the purpose of the activities, adding depth to the explanation.