| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be shown to be [adv] | 18 |
|
| 2 | [vb mod] [be] shown to be [adv] | 17 |
|
| 3 | can [be] shown to be [adv] | 8 |
|
| 4 | could [be] shown to be [adv] | 7 |
|
