| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] may be [vb pp] [prep] | 478 |
|
| 2 | may be [vb pp] [prep] [be] | 174 |
|
| 3 | [Wh det] may be [vb pp] [be] | 9 |
|
