1. Having switched off the lights, we went to bed.

2. Asking 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. 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 sunbuned 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.

Học tốt nha!!

Having switched off the lights, we went to bed

 Asking his mother's permission, the boy went out to play

 Having drunk too much he didn't drive home himself

 Having done two tests today, we are exhausted

 Having filled the washing machine she switched it on

 Having been to the disco the night before she overslept in the morning

 Having worked in the garden all day we were sunbuned in the evening

 Having not slept for two days, she was able to concentrate

 Having not seen him for ages I did recognize him

 Having ridden a horse for a long time I found it very difficult to keep in the saddle