1. The mixed use of active and passive voice: "Mastering fundamental cooking techniques such as boiling and frying is key" uses active voice to express a clear point, while "are the building blocks" uses passive voice, demonstrating structural diversity in the sentence, enhancing richness and complexity of expression.
2. Noun phrase: "proficient knife skills" is a complex noun phrase that includes a combination of adjectives and nouns, reflecting advanced linguistic skills that help improve scores in IELTS speaking.
3. Parallel structure: "efficiently chopping and slicing ingredients" uses parallel structure to list different cooking techniques, making the language more fluent and increasing the complexity of the sentence.
4. Modal verb usage: "These skills not only aid in preparation but also enhance" uses the structure "not only... but also..." showcasing advanced grammar structure, improving language accuracy and complexity.