| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [v-ing] to | 3790 |
|
| 2 | involve [v-ing] [prep] | 219 |
|
| 3 | involve [v-ing] [prep] | 219 |
|
| 4 | involve [verb] to | 49 |
|
| 5 | involve [v-ing] to | 37 |
|
