| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] [be] [verb] | 554 |
|
| 2 | may be [vb pp] [prep] [verb] | 401 |
|
| 3 | may be [vb pp] [prep] [be] | 174 |
|
| 4 | may be [vb pp] [be] [verb] | 6 |
|
