| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [prep] [verb] | 3445 |
|
| 2 | may be [verb] [prep] [verb] | 417 |
|
| 3 | may be [vb pp] [prep] [verb] | 401 |
|
| 4 | may [be] [vb pp] [prep] [verb] | 401 |
|
