Ex 2. Rewrite the sentences replacing the underlined part with a perfect participle. 1. We switched off the lights before we went to bed. ________________________________, we went to bed. 2. The boy asked his mother's permission and then went out to play. __________________________________, the boy went out to play. 3. As he had drunk too much, he didn't drive home himself. ____________________________________, he didn't drive home himself. 4. We have written two tests today, so we are very exhausted. __________________________________, we are very exhausted. 5. She filled the washing machine and switched it on. _______________________________, she switched it on. 6. She had been to the disco the night before and overslept in the morning. _____________________________, she overslept in the morning. 7. We had worked in the garden all day and were sunburned the in evening. _______________________________, we were sunburned in the evening 8. She had not slept for two days and therefore wasn't able to concentrate. _______________________________, she wasn't able to concentrate. 9. Since I had not seen him for ages, I didn't recognize him. ___________________________, I didn't recognize him. 10. I had not ridden a horse for a long time and found it very difficult to keep in the saddle ____________________________, I found it very difficult to keep in the saddle. re sunburned in the evening.