| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have be [vb pp] | 376 |
|
| 2 | could [adv] have be [vb pp] | 217 |
|
| 3 | could not have be [vb pp] | 159 |
|
| 4 | could [not/n't] have be [vb pp] | 159 |
|
| 5 | could not have be [vb pp] | 140 |
|
| 6 | could only have be [vb pp] | 38 |
|
| 7 | could only have be [vb pp] | 38 |
|
| 8 | could easily have be [vb pp] | 35 |
|
| 9 | could easily have be [vb pp] | 35 |
|
| 10 | could never have be [vb pp] | 23 |
|
| 11 | could never have be [vb pp] | 23 |
|
| 12 | could hardly have be [vb pp] | 20 |
|
| 13 | could hardly have be [vb pp] | 20 |
|
| 14 | could n't have be [vb pp] | 19 |
|
| 15 | could well have be [vb pp] | 17 |
|
| 16 | could well have be [vb pp] | 16 |
|
| 17 | could [adj] have be [vb pp] | 13 |
|
| 18 | could [pron] have be [vb pp] | 13 |
|
| 19 | could [det] have be [vb pp] | 12 |
|
| 20 | could [pers pn] have be [vb pp] | 12 |
|
| 21 | could also have be [vb pp] | 11 |
|
| 22 | could also have be [vb pp] | 11 |
|
| 23 | could all have be [vb pp] | 9 |
|
| 24 | could reasonably have be [vb pp] | 9 |
|
| 25 | could reasonably have be [vb pp] | 9 |
|
| 26 | could all have be [vb pp] | 9 |
|
| 27 | could probably have be [vb pp] | 6 |
|
| 28 | could probably have be [vb pp] | 6 |
|
| 29 | could it have be [vb pp] | 5 |
|
| 30 | could it have be [vb pp] | 5 |
|
