| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be shown to be | 10 |
|
| 2 | it [vb mod] be shown to [be] | 10 |
|
| 3 | it [modal v] be shown to [be] | 10 |
|
| 4 | it [modal v] be shown to [be] | 10 |
|
| 5 | it can be shown to [be] | 9 |
|
| 6 | it can be shown to [be] | 9 |
|
