| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] to have been [vb pp] by [noun] | 15 |
|
| 2 | [vb -s] to have [been] [vb pp] by [noun prp] | 13 |
|
| 3 | seems to have [been] [vb pp] by [noun] | 9 |
|
| 4 | appears to have [been] [vb pp] by [noun] | 6 |
|
