| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [verb] [noun pl] | 642 |
|
| 2 | [Wh det] [modal v] involve [noun] | 30 |
|
| 3 | [pron] [modal v] involve [noun pl] | 15 |
|
