| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not have [verb] [pron] to | 10 |
|
| 2 | could not have [vb pp] [pron] to | 10 |
|
| 3 | could not have [verb] [pron] to | 10 |
|
| 4 | could n't have [verb] [pron] to | 7 |
|
| 5 | could not have [verb] [pers pn] to | 5 |
|
