| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [not/n't] | 16982 |
|
| 2 | [pers pn] could go | 1022 |
|
| 3 | could [not/n't] go | 368 |
|
| 4 | [pers pn] [not/n't] go | 19 |
|
