| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [adv] [be] | 15526 |
|
| 2 | [modal v] only [be] | 3856 |
|
| 3 | [vb mod] only [be] | 3856 |
|
| 4 | can only [be] | 1731 |
|
