| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [vb pp] [prep] some | 6 |
|
| 2 | [Wh det] [vb base] been [vb pp] [prep] some | 6 |
|
| 3 | which [vb base] been [vb pp] [prep] some | 6 |
|
