| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [be] | 984 |
|
| 2 | could [adv] have be | 984 |
|
| 3 | could [adv] have [be] | 984 |
|
| 4 | could [adv] have [been] | 981 |
|
| 5 | could [adv] have been | 981 |
|
| 6 | could [not/n't] have [be] | 513 |
|
| 7 | could not have [be] | 513 |
|
| 8 | could [adv] have [be] | 471 |
|
| 9 | could not have [be] | 328 |
|
| 10 | could n't have [be] | 185 |
|
| 11 | could hardly have [be] | 75 |
|
| 12 | could hardly have [be] | 75 |
|
| 13 | could well have [be] | 71 |
|
| 14 | could well have [be] | 70 |
|
| 15 | could only have [be] | 67 |
|
| 16 | could only have [be] | 67 |
|
| 17 | could easily have [be] | 61 |
|
| 18 | could easily have [be] | 61 |
|
| 19 | could never have [be] | 41 |
|
| 20 | could never have [be] | 41 |
|
| 21 | could also have [be] | 19 |
|
| 22 | could also have [be] | 19 |
|
| 23 | could possibly have [be] | 14 |
|
| 24 | could possibly have [be] | 14 |
|
| 25 | could ever have [be] | 12 |
|
| 26 | could ever have [be] | 12 |
|
| 27 | could almost have [be] | 11 |
|
| 28 | could almost have [be] | 11 |
|
| 29 | could reasonably have [be] | 9 |
|
| 30 | could reasonably have [be] | 9 |
|
