| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | having been found to | 14 |
|
| 2 | having been given to | 8 |
|
| 3 | having been subjected to | 6 |
|
| 4 | having been referred to | 5 |
|
| 5 | having been introduced to | 5 |
|
