Replace the parts in bold type by gerundial phrases

 

1. When she saw him she stopped reading at once and put the letter away and even did not explain anything. 2. In this thick fog she was afraid that she might be knocked down. 3. He preferred to keep silent for fear that he might say something inopportune. 4. He felt much better after he had been operated on. 5. He was not only the author of brilliant short stories, but he was also a talented playwright. 6. When he had written his report, he remembered that he had forgotten to mention some facts. 7. Once he gets into his head an idea of doing something, it is impossible to talk him out of it. 8. When the girl entered the room, she glanced a little wonderingly at the faces of the three men. 9. The whole neighbourhood was so dreary and run-down that he hated the thought that he would have to live there. 10. You will do nothing but irritate him if you will nag him all the time. 11. That I was on the spot was a bit of luck for him. 12. Samuel Griffiths came back from Chicago on this particular day, after he had concluded several agreements there.