Choose the appropriate Participle. 1. Having learnt/ learning/ having learnt his lesson, he went out to play cricket. 2. Walked/ Walking/ Having walked along the street one day, I saw a dead cobra. 3. Left/ Having left/ Leaving the forest we advanced into the open plain. 4. Driving/ Driven /Having driven out of his country, he sought asylum in a foreign land. 5. It being /been a very hot day, I remained in my tent. 6. A gipsy, wandering/ wandered across the meadows, found the child. 7. I once saw a man walked/ walking on a rope. 8. Not knowing/ known my way, I asked a policeman. 9. Heard/ Hearing the noise, I woke up. 10. Having been/ Being / Been paralytic, he could not walk. 2. Open the brackets, using the correct form of the Participle: 1. d: tidr't y any attention to the (to ring) telephone. 2. The method (to follow) by scientists was not simple