| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if it [vb mod] be [vb pp] to | 14 |
|
| 2 | if it can be [vb pp] to | 8 |
|
| 3 | if it [vb mod] be shown to | 6 |
|
| 4 | if it could be [vb pp] to | 5 |
|
