| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it can [adv] be | 1466 |
|
| 2 | [pron] can only be | 434 |
|
| 3 | it [modal v] only be | 424 |
|
| 4 | it [vb mod] only be | 424 |
|
| 5 | it can only [be] | 133 |
|
| 6 | it can only be | 133 |
|
