| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] shown to | 108 |
|
| 2 | [vb mod] be shown to | 108 |
|
| 3 | can [be] shown to | 67 |
|
| 4 | could [be] shown to | 17 |
|
| 5 | will [be] shown to | 9 |
|
| 6 | may [be] shown to | 5 |
|
