| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] [modal v] [verb] | 421 |
|
| 2 | [noun pl] [vb pp] [modal v] [verb] | 256 |
|
| 3 | [noun] involved [modal v] [verb] | 50 |
|
| 4 | [noun pl] involve [modal v] [verb] | 27 |
|
