| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and could have [vb pp] a | 5 |
|
| 2 | and [pron] could have [vb pp] a | 6 |
|
| 3 | and [pers pn] could have [vb pp] a | 6 |
|
| 4 | and could have [vb pp] a [noun sg] | 6 |
|
| 5 | and could have [vb pp] a [noun] | 6 |
|
| 6 | and could have [vb pp] a [adj] | 5 |
|
