| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] by [verb] | 1714 |
|
| 2 | [modal v] be [vb pp] be [verb] | 112 |
|
| 3 | be [vb pp] by be [verb] | 20 |
|
| 4 | [modal v] be [vb pp] by be | 16 |
|
