| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [not/n't] [verb] | 13779 |
|
| 2 | [pers pn] could [verb] [det] | 1962 |
|
| 3 | could [not/n't] [verb] [det] | 1124 |
|
| 4 | [pers pn] [not/n't] [verb] [det] | 185 |
|
| 5 | [pers pn] could [not/n't] [det] | 15 |
|
