| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] be proved that | 21 |
|
| 2 | it [vb mod] be proved that | 21 |
|
| 3 | it [vb mod] be proved that | 21 |
|
| 4 | [pers pn] [vb mod] be proved that | 21 |
|
| 5 | [pron] can be proved that | 12 |
|
| 6 | [pron] could be proved that | 5 |
|
