| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] to be the | 33 |
|
| 2 | been [vb pp] to be the | 33 |
|
| 3 | [been] found to be the | 6 |
|
| 4 | [been] shown to be the | 5 |
|
