| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] by an | 248 |
|
| 2 | had been [vb pp] by an | 82 |
|
| 3 | has been [vb pp] by an | 78 |
|
| 4 | have been [vb pp] by an | 29 |
|
| 5 | have been [vb pp] by an | 28 |
|
| 6 | to have been [vb pp] by an | 15 |
|
| 7 | have been replaced by an | 10 |
|
| 8 | have been caused by an | 9 |
|
| 9 | have been accompanied by an | 8 |
|
| 10 | having been [vb pp] by an | 7 |
|
| 11 | have been hit by an | 6 |
|
| 12 | have been killed by an | 6 |
|
| 13 | have been followed by an | 6 |
|
| 14 | have been marked by an | 5 |
|
