| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] been [vb pp] by | 57 |
|
| 2 | [Wh pn] have been [vb pp] by | 52 |
|
| 3 | [Wh pn] 've been [vb pp] by | 7 |
|
