| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] been [verb] | 2235 |
|
| 2 | [vb past] been [verb] [det] | 422 |
|
| 3 | [Wh det] [vb past] [verb] [det] | 219 |
|
| 4 | [Wh det] [vb past] been [det] | 11 |
|
