1. What is the correct definition of Past Perfect Continuous Tense?
2. Which sentence is in the Past Perfect Continuous Tense?
3. In which of the following situations would you use Past Perfect Continuous Tense?
4. What is the correct structure of Past Perfect Continuous Tense?
5. How do you form a question in Past Perfect Continuous Tense?
6. What is the negative form of the sentence "She had been studying for hours"?
7. Which is the correct contraction for "I had been working all day"?
8. When using Past Perfect Continuous Tense, how do you express multiple actions?
9. What does Past Perfect Continuous Tense emphasize regarding the duration of an action?
10. Which sentence correctly uses Past Perfect Continuous Tense in a real-life example?
