| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been [vb pp] by a | 55 |
|
| 2 | to have been [vb pp] as a | 28 |
|
| 3 | to have been [vb pp] in a | 18 |
|
| 4 | to have been [vb pp] on a | 11 |
|
| 5 | to have been caused [prep] a | 9 |
|
| 6 | to have been made [prep] a | 9 |
|
| 7 | to have been [vb pp] from a | 7 |
|
| 8 | to have been [vb pp] with a | 7 |
|
| 9 | to have been born [prep] a | 6 |
|
| 10 | to have been [vb pp] to a | 5 |
|
| 11 | to have been used [prep] a | 5 |
|
| 12 | to have been [vb pp] for a | 5 |
|
