The key answer of exercise 3

a)

1. Having been adopted at birth
2. Raised in Oblong, Illinois, by adoptive parents Sharon and Gerald Bricker
3. transfixed as Dominique became an overnight sensation
4. Inspired by Dominique's success
5. Feeling the time had come
6. competing against able-bodied people
7. Having found out about her connection to her idol
8. performing acrobat routines
9. travelling the world and connecting with people from all walks of life
10. Finding out my idol

b)

1 - Participle clauses can begin with:

1. any of the following → -ing: having been ...; feeling ..; Having found out ...; performing ...; travelling ...; Past participle → Raised ...; transfixed ...; Inspired ...
2. Having found out

2 - They can be used to:

Note that sometimes a clause can fit more than one category, depending how its meaning is meant / understood.

1. travelling the world and connecting with people from all walks of life.
2. Having been adopted at birth / Raised in Oblong, Illinois, by adoptive parents Sharon and Gerald Bricker, / Inspired by Dominique's success, / Feeling the time had come, / Having found out about her connection to her idol,
3. Inspired by Dominique's success, / Feeling the time had come,
4. ... transfixed as Dominique became an overnight sensation.