| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] which [modal v] | 2772 |
|
| 2 | [prep] [noun] [pron] could | 1395 |
|
| 3 | [prep] [noun] [Wh det] could | 321 |
|
| 4 | [prep] [noun] which could | 315 |
|
| 5 | [prep] [noun] which could | 315 |
|
