| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may [adv] [be] [conj] | 239 |
|
| 2 | it [modal v] [adv] [be] [subord] | 67 |
|
| 3 | [pron] may [adv] [be] [subord] | 18 |
|
| 4 | it may [adv] [be] [subord] | 15 |
|
