| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] [be] [vb pp] [prep] | 1251 |
|
| 2 | [adv] [be] [vb pp] [prep] [be] | 597 |
|
| 3 | may [be] [vb pp] [prep] [be] | 174 |
|
