| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [vb pp] a [adj -er] | 7 |
|
| 2 | [vb mod] [adv] have [vb pp] a better | 6 |
|
| 3 | [vb mod] [adv] have made a [adj -er] | 5 |
|
