| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] by a | 1446 |
|
| 2 | have been [vb pp] by [adj] | 1260 |
|
| 3 | been [vb pp] by a [adj] | 609 |
|
| 4 | have been [vb pp] a [adj] | 434 |
|
| 5 | have [vb pp] by a [adj] | 25 |
|
