| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] be [verb] | 2288 |
|
| 2 | [det] could be [verb] | 756 |
|
| 3 | [det] could [not/n't] be | 106 |
|
| 4 | [det] could [not/n't] [verb] | 83 |
|
| 5 | [det] [not/n't] be [verb] | 6 |
|
