| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have [vb pp] [adj -er] | 7 |
|
| 2 | could [adv] have [vb pp] [adj -er] | 8 |
|
| 3 | could have [vb pp] [art] [adj -er] | 21 |
|
| 4 | could have [vb pp] [art] [adj -er] | 21 |
|
| 5 | could have [vb pp] a [adj -er] | 18 |
|
| 6 | could have [vb pp] a [adj -er] | 18 |
|
| 7 | could have [vb pp] [adv] [adj -er] | 6 |
|
| 8 | could have [vb pp] [adv] [adj -er] | 6 |
|
| 9 | could have [vb pp] [adj -er] [noun] | 6 |
|
