| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] by several [noun] | 31 |
|
| 2 | [verb] been [vb pp] by several [noun] | 31 |
|
| 3 | [verb] been [vb pp] by several [noun pl] | 25 |
|
| 4 | [vb -s] been [vb pp] by several [noun] | 16 |
|
| 5 | has been [vb pp] by several [noun] | 15 |
|
| 6 | [vb past] been [vb pp] by several [noun] | 8 |
|
| 7 | had been [vb pp] by several [noun] | 8 |
|
| 8 | have been [vb pp] by several [noun] | 6 |
|
| 9 | [vb base] been [vb pp] by several [noun] | 6 |
|
