| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] [conj] [pron] [verb] | 137 |
|
| 2 | [modal v] not [verb] [conj] it [verb] | 64 |
|
| 3 | could [adv] [verb] [conj] it [verb] | 16 |
|
