1.Conditional sentence: "Increasing green spaces in my area would be a welcome change." The use of "would" indicates a hypothetical situation, showing the candidate's ability to use conditional sentences to express wishes or hypothetical scenarios.
2.Cause and effect: "Traffic contributes significantly to pollution and noise, and creating more parks could improve air quality." This sentence structure effectively uses cause and effect to explain the relationship between traffic, pollution, and the benefits of green spaces.