| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [adv] have [adj] [noun] | 6 |
|
| 2 | could [adv] have [art] [adj] [noun] | 24 |
|
| 3 | could [adv] have [art] [adj] [noun] | 24 |
|
| 4 | could [adv] have a [adj] [noun] | 20 |
|
| 5 | could [adv] have a [adj] [noun] | 14 |
|
| 6 | could [adv] have [verb] [adj] [noun] | 8 |
|
| 7 | could [adv] have [vb pp] [adj] [noun] | 8 |
|
| 8 | could [adv] have an [adj] [noun] | 6 |
|
| 9 | could [adv] have [be] [adj] [noun] | 5 |
|
| 10 | could [adv] have been [adj] [noun] | 5 |
|
| 11 | could [adv] have be [adj] [noun] | 5 |
|
| 12 | could [adv] have [been] [adj] [noun] | 5 |
|
| 13 | could [adv] have [adj] [noun] [prep] | 8 |
|
| 14 | could [adv] have [adj] [noun] [prep] | 8 |
|
