| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [be] [verb] by [art] | 404 |
|
| 2 | [modal v] [verb] [be] [verb] by [art] | 404 |
|
| 3 | may [verb] [be] [verb] [prep] [art] | 297 |
|
| 4 | may [verb] [be] [verb] by [art] | 121 |
|
