| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb past] been [prep] [noun pl] | 9 |
|
| 2 | [Wh pn] [vb past] [been] [prep] [noun pl] | 9 |
|
| 3 | who [vb past] [been] [prep] [noun pl] | 9 |
|
| 4 | [Wh pn] had [been] [prep] [noun pl] | 7 |
|
