Ex 1
12.He spoke too quickly for me to understand what he said.
13. I've been working for the company for a year.
14. It is such an old furniture that it's not worth keeping.
15. It's difficult for handicapped people to find shopping in supermaket.

Ex 2.
1. It's the first time my father has ever driven a car.
2. This is the first time she has ever been to the ballet dancing
3.Before going to school, I went over my lesson.
4. After he had done all his excersices, he watched TV.
5.I've never met the more generous person than my teacher.