| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] | 21358 |
|
| 2 | could [not/n't] [vb infin] | 21338 |
|
| 3 | [vb mod] [not/n't] go | 2563 |
|
| 4 | [modal v] [not/n't] go | 2563 |
|
| 5 | could [adv] go | 554 |
|
| 6 | could [not/n't] go | 369 |
|
| 7 | could [not/n't] go | 368 |
|
