| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [adv] | 2314 |
|
| 2 | could [not/n't] [vb infin] [adv] | 2312 |
|
| 3 | [modal v] [not/n't] go [adv] | 1241 |
|
| 4 | could [adv] go [adv] | 298 |
|
| 5 | could [not/n't] go [adv] | 214 |
|
