| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [pron] [prep] the | 133 |
|
| 2 | [modal v] [not/n't] [verb] [pron] at the | 45 |
|
| 3 | could [adv] [verb] [pron] at the | 21 |
|
| 4 | could [not/n't] [verb] [pron] at [art] | 16 |
|
