| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [vb pp] [pron] for the | 13 |
|
| 2 | could have [verb] [pron] for the | 13 |
|
| 3 | could have [verb] [pron] for the | 13 |
|
| 4 | could have [verb] [pers pn] for the | 11 |
|
| 5 | could have prepared [pron] for the | 9 |
|
| 6 | could have prepare [pron] for the | 9 |
|
