| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] could not | 1520 |
|
| 2 | [noun] which [pron] could | 309 |
|
| 3 | which [pron] could not | 191 |
|
| 4 | [noun] which could not | 165 |
|
