| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] who could | 1097 |
|
| 2 | [n mass] who [vb mod] | 1018 |
|
| 3 | [n mass] who [modal v] | 1018 |
|
| 4 | [n mass] [pron] could | 227 |
|
| 5 | [n mass] who could | 120 |
|
