| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [prep] | 5768 |
|
| 2 | [pron] could not [verb] | 4952 |
|
| 3 | could not [verb] [prep] | 1005 |
|
| 4 | [pron] not [verb] [prep] | 414 |
|
| 5 | [pron] could not [prep] | 41 |
|
