| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [not/n't] [verb] | 13779 |
|
| 2 | [pers pn] could [verb] some | 300 |
|
| 3 | could [not/n't] [verb] some | 11 |
|
| 4 | [pers pn] [not/n't] [verb] some | 8 |
|
