| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [coord] can not be [verb] | 16 |
|
| 2 | can [coord] can not be [vb pp] | 16 |
|
| 3 | can and can not be [verb] | 11 |
|
| 4 | can or can not be [verb] | 5 |
|
