| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [conj] be [vb pp] | 77 |
|
| 2 | may [vb infin] [conj] be [verb] | 16 |
|
| 3 | may [verb] [conj] be [vb pp] | 16 |
|
| 4 | may [vb infin] [conj] [be] [vb pp] | 16 |
|
