1. After having switched off the lights, we went to bed
2. After having asked his mother's permission, the boy went out to play
3. Having drunk too much, he didn't drive home himself
4. Having done two tests today, we are exhausted
5. After having filled the washing machine, she switched it on
6. Having been to disco the night before, she overslept in the morning
7. Having worked in the garden all day, we were sunburned in the evening
8. Not having slept for two days, she wasn't able to concentrate
9. Not having seen him for ages, I didn't recognize him
10. Not having ridden a horse for a long time, I found it very difficult to keep in the saddle
11. Having practiced a lot, she was sure of her winning in the competition
