| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] the | 1847 |
|
| 2 | [not/n't] [verb] at the | 591 |
|
| 3 | could [not/n't] [verb] at | 138 |
|
| 4 | could [verb] at the | 86 |
|
