| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] been [prep] [noun] | 241 |
|
| 2 | [verb] been involved [prep] [noun] | 119 |
|
| 3 | [Wh pn] [verb] been involved [prep] | 73 |
|
