| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] who [modal v] | 410 |
|
| 2 | [verb] [prep] who | 291 |
|
| 3 | [verb] [prep] [modal v] | 270 |
|
| 4 | [prep] who [modal v] | 254 |
|
