| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not | 6393 |
|
| 2 | [pers pn] could not | 5730 |
|
| 3 | [pers pn] [pron] could | 638 |
|
| 4 | [pers pn] [pron] not | 12 |
|
