| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [vb pp] by [noun] | 1511 |
|
| 2 | to have [been] [vb pp] by [noun] | 160 |
|
| 3 | [vb -s] to have [been] [vb pp] by | 68 |
|
