| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] could not [verb] | 1711 |
|
| 2 | [noun sg] could [verb] to | 408 |
|
| 3 | could not [verb] to | 356 |
|
| 4 | [noun sg] not [verb] to | 96 |
|
