1. Do you know that man sitting in the brown leather chair?
2. Many of the goods that have been produced since the beginning of the twentieth century are totally machine-made.
3. I have known Beth for six years. When I met her, she was working in a law office.
4. If you were there yesterday, you would have met my parents.
5. Being an excellent researcher, Dr. Banes is respected by the entire faculty.
6. Had I known Dan wouldn’t be here, I would not have come.
7. Having heard that story many times before, I got bored when Jim began to tell it again.
8. Anna is grown up now. You shouldn’t speak to her as if she were a child.
9. Thank you for your help. I would never have been able to finish this work without it.
10. I recommended that he apply to at least three universities.
11. Sitting on a park bench and watching the brightly coloured leaves fall gently to the ground, he fell at peace with the world.
12. Why didn’t you tell me about this before? I certainly wish I had been informed earlier.
13. Ever since I can remember, mathematics has been my favourite subject.
14. It's a funny story, I’ll tell you the details when I call you tomorrow.
15. When the puzzled student could not figure out the answer to the puzzle problem, she demanded that I give her the correct answer, but I insisted that she figure it out for herself.