| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] be shown to | 36 |
|
| 2 | [verb] [adv] been shown to | 36 |
|
| 3 | [vb -s] [adv] be shown to | 24 |
|
| 4 | has [adv] be shown to | 24 |
|
| 5 | have [adv] be shown to | 8 |
|
| 6 | [vb base] [adv] be shown to | 8 |
|
| 7 | [verb] previously be shown to | 8 |
|
| 8 | [verb] also be shown to | 7 |
|
| 9 | [verb] recently be shown to | 5 |
|
