| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [be] [vb pp] | 15684 |
|
| 2 | can [adv] [be] [vb pp] | 12849 |
|
| 3 | can not [be] [verb] | 6365 |
|
| 4 | can not [be] [vb pp] | 6254 |
|
