| 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 |
|
| 5 | can not [be] | 7209 |
|
