| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it could work | 6 |
|
| 2 | [conj] it could work | 5 |
|
| 3 | it could [adv] work | 12 |
|
| 4 | it could n't work | 6 |
|
| 5 | it could [adv] work | 6 |
|
| 6 | it could not work | 6 |
|
| 7 | it could [not/n't] work | 6 |
|
