| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have be [vb pp] | 376 |
|
| 2 | [modal v] well have be [vb pp] | 106 |
|
| 3 | [vb mod] well have be [vb pp] | 106 |
|
| 4 | could well have be [verb] | 19 |
|
| 5 | could well [verb] be [vb pp] | 18 |
|
| 6 | could well have [be] [vb pp] | 17 |
|
| 7 | could well have be [vb pp] | 17 |
|
