| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [pron] | 14323 |
|
| 2 | could [verb] [pron] | 12219 |
|
| 3 | who could [verb] | 1259 |
|
| 4 | who could [pron] | 23 |
|
