Lesson XVII: WHEN & WHILE

Exercise: D.4.2. Practice WHEN and WHILE Time Expressions Combine two statements with WHEN or WHILE. For example: Peter stood up . They came in . PETER STOOD UP WHEN THEY CAME IN. The teacher left the class . The children were singing . THE TEACHER LEFT THE CLASS WHILE THE CHILDREN WERE SINGING. I was eating . John was watching TV . I WAS EATING WHILE JOHN WAS WATCHING TV. Mark was listening to the radio . The phone rang . MARK WAS LISTENING TO THE RADIO WHEN THE PHONE RANG. 1. Mary got off. The train was moving. 2. Bill was studying algebra. Marcia was studying geography. 3. John was riding a bicycle. It began to rain. 4. I parked my bicycle. The storm began. 5. She was taking a nap. The child woke up. 6. She left for some groceries. I was playing with the dog. 7. Natasha was polishing furniture. Pamela was watering roses. 8. I began doing my homework. My roommate was reading the newspaper. 9. They were dancing. The fire broke out. 10. We were playing cards. My neighbor cried for help.