Lesson XVII: Past-ING-AF

Exercise: C.3. Practice Questions Ask about the activity at a given time point defined with WHEN THE ACCIDENT HAPPENED . For example: You walked home. WERE YOU WALKING HOME WHEN THE ACCIDENT HAPPENED ? He wrote a message . WAS HE WRITING A MESSAGE WHEN THE ACCIDENT HAPPENED ? 1. They argued bitterly. 6. Mary looked at the painting. 2. You did the problem. 7. They studied English. 3. She studied biology. 8. John looked after the children. 4. Marcia wrote a composition. 9. You took a shower. 5. You copied the assignment. 10. She made her bed.