| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] go | 369 |
|
| 2 | [not/n't] go [subord] | 78 |
|
| 3 | could [not/n't] [subord] | 34 |
|
| 4 | could go [subord] | 16 |
|
