| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] be that | 294 |
|
| 2 | it [vb mod] be shown that | 141 |
|
| 3 | it [vb mod] [adv] be shown | 26 |
|
| 4 | [vb mod] [adv] be shown that | 18 |
|
