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1. Having switched off the lights, we went to bed.
2. Having drunk too much, he didn't drive home himself.
3. Having had started a fire in the forest, Tom admitted that he had done it.
4. Having said that he would take reponsibility for  the project, he denied that.
5. Having made all necessary preparations, we put our plan into action.
6. Having watched the documentary about wildlife, I made a donation to an environmnet.
7. Having eaten my evening meal, I decided to go for a walk.
8. Having had been told about the dangers of chemical fertilizers, the farmers turned to bio-fertilizers.
9. Having finished all my homework, I watched my favourite film on TV.
10. Having not seen him for ages, I dind't recognize him.