| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [be] [vb pp] | 11464 |
|
| 2 | it [modal v] [be] [vb pp] | 11464 |
|
| 3 | [pron] may [be] [vb pp] | 2957 |
|
| 4 | it may [be] [verb] | 1174 |
|
| 5 | it may [be] [vb pp] | 1101 |
|
