1. What is the structure of the Past Perfect Continuous Tense? | ![]() |
2. When do we use the Past Perfect Continuous Tense in English grammar? | ![]() |
3. How is the Past Perfect Continuous Tense different from the Past Perfect Tense? | ![]() |
4. Can the Past Perfect Continuous Tense be used with adverbs of frequency? | ![]() |
5. What are some common signal words that indicate the use of the Past Perfect Continuous Tense? | ![]() |