| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] be shown that | 18 |
|
| 2 | it can [adv] be shown that | 16 |
|
| 3 | it [vb mod] also be shown that | 8 |
|
| 4 | it [vb mod] also be shown that | 8 |
|
| 5 | it [vb mod] [not/n't] be shown that | 5 |
|
| 6 | it [vb mod] not be shown that | 5 |
|
| 7 | it [vb mod] not be shown that | 5 |
|
