| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [pron] | 9098 |
|
| 2 | who [modal v] [verb] [pron] | 1670 |
|
| 3 | who [vb mod] [verb] [pron] | 1670 |
|
| 4 | who could [verb] [pron] | 258 |
|
