| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] [adj] [noun] | 580 |
|
| 2 | [modal v] not have [adj] [noun] | 412 |
|
| 3 | [vb mod] not have [adj] [noun] | 412 |
|
| 4 | could [adv] have [adj] [noun] | 45 |
|
| 5 | could not have [adj] [noun] | 23 |
|
