| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could n't [verb] [pers pn] | 1819 |
|
| 2 | [pers pn] could n't [verb] [verb] | 1009 |
|
| 3 | [pers pn] could [verb] [verb] [pers pn] | 676 |
|
| 4 | could n't [verb] [verb] [pers pn] | 213 |
|
