| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | involved in such a [noun] | 15 |
|
| 2 | involved in [det] a [noun] | 15 |
|
| 3 | involved in [adj] a [noun sg] | 15 |
|
| 4 | involved in such a [noun] | 15 |
|
