| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not be [verb] | 1911 |
|
| 2 | [coord] could not [verb] | 441 |
|
| 3 | [coord] could be [verb] | 306 |
|
| 4 | [coord] could not be | 131 |
|
| 5 | [coord] not be [verb] | 106 |
|
