| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] involve [verb] a [adj] [noun] | 6 |
|
| 2 | [det] involve [verb] a [adj] [noun] | 5 |
|
| 3 | [det] involve [verb] a [noun] [prep] | 10 |
|
| 4 | [det] involve [verb] a [noun] [prep] | 10 |
|
