| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [verb] [adj] [noun] | 2272 |
|
| 2 | [vb mod] not [verb] [adj] [noun] | 2272 |
|
| 3 | could [adv] [verb] [adj] [noun] | 1061 |
|
| 4 | could [not/n't] [verb] [adj] [noun] | 580 |
|
| 5 | could not [verb] [adj] [noun] | 580 |
|
| 6 | could not [verb] [adj] [noun] | 287 |
|
