| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] to be [art] [adj] | 41 |
|
| 2 | been [vb pp] to be [art] [adj] | 41 |
|
| 3 | [been] [vb pp] to be a [adj] | 36 |
|
| 4 | [been] [vb pp] to be a [adj] | 25 |
|
| 5 | [been] shown to be [art] [adj] | 17 |
|
| 6 | [been] [vb pp] to be an [adj] | 11 |
|
| 7 | [been] found to be [art] [adj] | 7 |
|
| 8 | [been] [vb pp] to be the [adj] | 5 |
|
| 9 | [been] [vb pp] to be the [adj] | 5 |
|
