| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb past] [been] [verb] | 1968 |
|
| 2 | [vb past] [been] [verb] some | 72 |
|
| 3 | [Wh pn] [vb past] [verb] some | 38 |
|
