| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [vb pp] for [noun] | 16 |
|
| 2 | which [vb base] been [vb pp] for [noun] | 16 |
|
| 3 | [Wh det] [vb base] been [vb pp] for [noun sg] | 10 |
|
