| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be show to be | 90 |
|
| 2 | [vb mod] be shown to be | 90 |
|
| 3 | can be show to be | 63 |
|
| 4 | could be show to be | 15 |
|
| 5 | may be show to be | 5 |
|
