| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could well have [vb pp] [adj] | 6 |
|
| 2 | could well have [vb pp] [art] [adj] | 6 |
|
| 3 | could well have [vb pp] [art] [adj] | 6 |
|
| 4 | could well have [vb pp] [adj] [noun] | 5 |
|
