| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [adv] | 3470 |
|
| 2 | [not/n't] [adv] [verb] [adv] | 2945 |
|
| 3 | could [not/n't] [verb] [adv] | 2314 |
|
| 4 | could [not/n't] [adv] [verb] | 1461 |
|
| 5 | could [not/n't] [adv] [adv] | 41 |
|
