| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] [noun] | 310 |
|
| 2 | could easily have [verb] | 106 |
|
| 3 | could easily [verb] [noun] | 26 |
|
| 4 | easily have [verb] [noun] | 14 |
|
