| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] been involved in [noun] | 17 |
|
| 2 | who [verb] been involved in [noun] | 17 |
|
| 3 | [Wh pn] have been involved in [noun] | 17 |
|
| 4 | [Wh pn] have been involved in [noun] | 9 |
|
| 5 | [Wh pn] [vb base] been involved in [noun] | 9 |
|
| 6 | [Wh pn] [verb] been involved in [noun sg] | 9 |
|
| 7 | [Wh pn] [verb] been involved in [noun pl] | 6 |
|
