| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could easily [verb] been [noun] | 5 |
|
| 2 | could easily [verb] [been] [noun] | 5 |
|
| 3 | could easily have [be] [noun] | 5 |
|
| 4 | could easily [verb] be [noun] | 5 |
|
| 5 | could easily [vb infin] [be] [noun] | 5 |
|
| 6 | could easily have [be] [noun] | 5 |
|
