| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] to | 10340 |
|
| 2 | [modal v] be shown to | 108 |
|
| 3 | [modal v] be shown [verb] | 103 |
|
| 4 | be shown [verb] to | 6 |
|
