| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be shown to [be] | 8 |
|
| 2 | it be shown [prep] be | 8 |
|
| 3 | it be shown [prep] [be] | 8 |
|
| 4 | it be shown [prep] be | 8 |
|
| 5 | it is shown [prep] [be] | 5 |
|
