| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not [verb] [prep] | 1347 |
|
| 2 | it [modal v] not [verb] [prep] | 532 |
|
| 3 | it could [adv] [verb] [prep] | 125 |
|
| 4 | it could not [verb] [prep] | 67 |
|
