Unit 9 - Grammar Exercises Exercise 3 Fill in the following sentences by using past perfect continuous tense.#1. We ________ (play) football with our groupmates for half an hour when it started to rain. #2. I ________ (study) English for a short time when the electricity went off. #3. She ________ (do) her homework before you came in the room. #4. The baby’s knees and hands were very dirty. He ________ (crawl) in the garden. #5. I ________ (drive) the car for seven years when I sold it. #6. We were very exhausted. We ________ (travel) for about seventeen hours. #7. They were out of breath. They ________ (run) for a long time. #8. Rashid ________ (live) in California for ten years when he had an accident. #9. Nurlan was tired because he ________ (write) letters all morning. #10. Raxim ________ (repair) the radio for an hour when you arrived. next Results
