Раскройте скобки с перфектным герундием и поставьте в правильную форму

1) having been chosen

2)  having learned

3) having worked

4) having woken up

5) having eaten

6) having been bitten

7) having been fed

8) having been educated

9) having promised

10) having been told

11) having paid

12) having been frightened

13) having recovered

14) having made

15)having slept

16) having eaten

Объяснение:

Вроде бы так, но меня смущает это "where possible", потому что получилось possible везде))