1. Having switched off the lights we went to bed.
2. 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 written two tests today we are very exhausted.
5. Having filled the washing machine she switched it on.
6. Having been to the 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 for ages, I didn’t recognize him.
10. Not having ridden a horse for a long time, I found it very difficult to sit on the saddle.
