| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [verb] [noun sg] | 2880 |
|
| 2 | [modal v] not [verb] [noun sg] | 2880 |
|
| 3 | could not [verb] [noun] | 922 |
|
| 4 | could [adv] [verb] [noun sg] | 819 |
|
| 5 | could not [verb] [noun sg] | 439 |
|
