| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] | 8977 |
|
| 2 | could not [vb infin] | 8968 |
|
| 3 | [modal v] not go | 732 |
|
| 4 | could [adv] go | 554 |
|
| 5 | could [not/n't] go | 368 |
|
| 6 | could not go | 368 |
|
| 7 | could not go | 102 |
|
