| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] | 21336 |
|
| 2 | could not [vb infin] | 21316 |
|
| 3 | [vb mod] not go | 2560 |
|
| 4 | [modal v] not go | 2560 |
|
| 5 | could [adv] go | 554 |
|
| 6 | could not go | 369 |
|
| 7 | could not go | 368 |
|
