| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] to have been a | 59 |
|
| 2 | be [vb pp] [to-vb] been a | 59 |
|
| 3 | [is] [vb pp] [to-vb] been a | 28 |
|
| 4 | is [vb pp] [to-vb] been a | 27 |
|
| 5 | [was/were] [vb pp] [to-vb] been a | 25 |
|
| 6 | was [vb pp] [to-vb] been a | 25 |
|
| 7 | [be] said [to-vb] been a | 14 |
|
| 8 | [be] thought [to-vb] been a | 12 |
|
| 9 | [be] believed [to-vb] been a | 7 |
|
| 10 | [be] [vb pp] [to-vb] been a | 5 |
|
| 11 | be [vb pp] [to-vb] been a | 5 |
|
