| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [verb] [noun] | 75 |
|
| 2 | could [adv] have [verb] [noun] | 32 |
|
| 3 | [modal v] easily have [verb] [noun] | 11 |
|
| 4 | could easily [verb] [verb] [noun] | 9 |
|
| 5 | could easily have [verb] [noun] | 8 |
|
