| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [pron] could [verb] | 305 |
|
| 2 | not [verb] [pers pn] could [verb] | 284 |
|
| 3 | not [verb] he [modal v] [verb] | 187 |
|
| 4 | [adv] [verb] he could [verb] | 82 |
|
| 5 | not [verb] he could [verb] | 38 |
|
