| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if it [vb mod] be proved | 13 |
|
| 2 | if [pers pn] [vb mod] be proved | 13 |
|
| 3 | if it [vb mod] be proved | 13 |
|
| 4 | if [pron] can be proved | 9 |
|
