5. Drinking

6. Having won

7. Swimming

8. Climbing

9. Setting_ having been

10. Playing

11. Getting_ climbing

12. WRiting

exercise 2

1.done his homework, david went to bed

2.having done two tests today, we are exhausted

3.having filled the washing machine, i switched it on

4.Having read the book, we wrote the assignment

5.having not seen him for while, i couldn’t recognize him

6.having bought the radio, he checked the price

7.how to cook isn’t easy for everyone

8.having watched the film, she wrote a report

Exercise 3

1.in_ on_on

2.of

3.at

4. At

5.off

6.to_from_over

7.to

8. About

9.on

 10. About_for

1. I have no objection to hearing your story again

2.she spends her entire life caring for other

3.he finds it very difficult talking about his problem

5.drinking

6.having won

7. swimming

8.climbing

9.setting- having been

10.playing

11.getting- climbing

Ex3

1.in- on-on

2.of

3.at

4.at

5.off

6.to-from-over

7.to

8.about

9.on

 10.about-for