| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ca not be [vb pp] [adj] | 12 |
|
| 2 | ca n't be [vb pp] [adj] | 12 |
|
| 3 | ca [not/n't] be [vb pp] [adj] | 12 |
|
| 4 | ca [adv] be held [adj] | 6 |
|
