| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] [noun] | 223 |
|
| 2 | what role [vb mod] | 11 |
|
| 3 | what role [noun] | 7 |
|
| 4 | role [vb mod] [noun] | 5 |
|
