| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [verb] | 12359 |
|
| 2 | could n't [vb infin] | 12348 |
|
| 3 | [modal v] n't go | 1828 |
|
| 4 | could [adv] go | 554 |
|
| 5 | could [not/n't] go | 368 |
|
| 6 | could not go | 368 |
|
| 7 | could n't go | 267 |
|
