| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could have [verb] [pers pn] [vb infin] | 7 |
|
| 2 | [pers pn] could have [vb pp] [pers pn] [vb infin] | 7 |
|
| 3 | [pers pn] could have [verb] [pers pn] [vb infin] | 5 |
|
| 4 | [pers pn] could have let [pers pn] [vb infin] | 5 |
|
| 5 | [pers pn] could have let [pers pn] [vb infin] | 5 |
|
