| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pers pn] could [adv] have [vb pp] | 35 |
|
| 2 | [subord] [pers pn] could [adv] have [verb] | 35 |
|
| 3 | than [pers pn] could [adv] have [verb] | 11 |
|
| 4 | [subord] he could [adv] have [verb] | 11 |
|
| 5 | [subord] [pers pn] could ever have [verb] | 10 |
|
| 6 | [subord] [pers pn] could possibly have [verb] | 9 |
|
| 7 | [subord] we could [adv] have [verb] | 8 |
|
| 8 | when [pers pn] could [adv] have [verb] | 6 |
|
| 9 | [subord] [pers pn] could easily have [verb] | 5 |
|
| 10 | [subord] they could [adv] have [verb] | 5 |
|
