| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb -s] been shown [verb] the | 5 |
|
| 2 | which [vb -s] be shown [to-vb] the | 5 |
|
| 3 | which [vb -s] be shown [verb] the | 5 |
|
| 4 | which has be shown [verb] the | 5 |
|
