C. Complete the sentences using the Present Perfect Continuous form of the verbs in brackets. 1. She ... (try) to raise money for the zoo for months. 2. I ... (volunteer) to clean out ponds for a year now! 3. We ... (work) hard to build nesting boxes. 4. He ... (donate) money to Greenpeace for a long time. 5. It ... (rain) for two days. 6. The government ... (try) to reduce pollution for years. 7. He ... (study) the environment for over ten years. 8. My parents ... (donate) to WWF for five years.

1. She has been trying to raise money for the zoo for months. 2. I have been volunteering to clean out ponds for a year now! 3. We have been working hard to build nesting boxes. 4. He has been donating money to Greenpeace for a long time. 5. It has been raining for two days. 6. The government has been trying to reduce pollution for years. 7. He has been studying the environment for over ten years. 8. My parents have been donating to WWF for five years. Объяснение: Время Present Perfect Continuous используется для описания действий, которые начались в прошлом и продолжаются до настоящего момента. Форма этого времени образуется с помощью вспомогательных глаголов "have/has been" и основного глагола с окончанием "-ing". * Для 3-го лица единственного числа (She, He, It, The government) используется "has been". * Для остальных лиц (I, We, My parents) используется "have been".