| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] could not [verb] | 534 |
|
| 2 | [vb past] [pers pn] could not [verb] | 250 |
|
| 3 | [coord] [vb past] [pers pn] not [verb] | 72 |
|
| 4 | [coord] [vb past] [pers pn] could [verb] | 68 |
|
| 5 | [coord] [vb past] [pers pn] could not | 20 |
|
