| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it can [adv] [be] | 1833 |
|
| 2 | it [modal v] then [be] | 141 |
|
| 3 | [pron] can then [be] | 139 |
|
| 4 | it can then [be] | 27 |
|
