| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may be [adj] | 1788 |
|
| 2 | it [modal v] be [det] | 644 |
|
| 3 | [pron] may be [det] | 435 |
|
| 4 | it may [be] [det] | 138 |
|
