| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pers pn] could not have [pers pn] | 8 |
|
| 2 | [verb] [pers pn] could n't have [pron] | 7 |
|
| 3 | say [pers pn] could not have [pron] | 5 |
|
