| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] involves [v-ing] a [noun] | 6 |
|
| 2 | which involves [verb] a [noun] | 6 |
|
| 3 | [Wh det] involves [verb] a [noun] | 5 |
|
| 4 | [Wh det] involves [verb] a [noun sg] | 5 |
|
