| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which could | 2160 |
|
| 2 | [n mass] [pron] could | 227 |
|
| 3 | [n mass] which [vb mod] | 195 |
|
| 4 | [n mass] which [modal v] | 195 |
|
| 5 | [n mass] which could | 21 |
|
