| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could have [vb pp] this | 24 |
|
| 2 | he could have [vb pp] this | 8 |
|
| 3 | he could have [vb pp] this | 8 |
|
| 4 | we could have [vb pp] this | 5 |
|
| 5 | we could have [vb pp] this | 5 |
|
| 6 | [pron] could have done this | 5 |
|
