| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] by a [noun sg] | 12438 |
|
| 2 | been [vb pp] by a | 1681 |
|
| 3 | been [vb pp] by [noun sg] | 1239 |
|
| 4 | been [vb pp] a [noun sg] | 740 |
|
