| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] who [vb mod] | 1018 |
|
| 2 | [n mass] who [modal v] | 1018 |
|
| 3 | [noun] who must | 170 |
|
| 4 | [n mass] [pron] must | 41 |
|
| 5 | [n mass] who must | 12 |
|
