| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [prep] the | 451 |
|
| 2 | [modal v] [not/n't] [verb] at the | 97 |
|
| 3 | could [adv] [verb] at the | 31 |
|
| 4 | could [not/n't] [verb] at [art] | 22 |
|
| 5 | could [not/n't] [verb] at [art] | 22 |
|
| 6 | could [not/n't] [verb] at the | 15 |
|
