| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be show to | 12 |
|
| 2 | it [vb mod] [be] shown to | 12 |
|
| 3 | it [vb mod] be show to | 12 |
|
| 4 | it [vb mod] [be] show to | 12 |
|
| 5 | it [vb mod] [be] show to | 12 |
|
| 6 | it can [be] show to | 11 |
|
