| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [be] | 35053 |
|
| 2 | [modal v] not [be] | 35053 |
|
| 3 | can [adv] [be] | 15526 |
|
| 4 | can not [be] | 9117 |
|
