| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [adv] [verb] [noun] | 396 |
|
| 2 | [modal v] not [adv] [verb] [noun] | 396 |
|
| 3 | could [adv] [adv] [verb] [noun] | 136 |
|
| 4 | could not [adv] [verb] [noun] | 63 |
|
| 5 | could not [adv] [verb] [noun] | 63 |
|
