| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] easily have been | 18 |
|
| 2 | could [adv] easily have be | 18 |
|
| 3 | could [adv] easily have [been] | 18 |
|
| 4 | could [adv] easily have [be] | 18 |
|
| 5 | could [adv] easily have [be] | 18 |
|
| 6 | could [adv] easily have [be] | 17 |
|
| 7 | could so easily have [be] | 14 |
|
| 8 | could so easily have [be] | 14 |
|
