| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been shown to be | 37 |
|
| 2 | also be shown to be | 10 |
|
| 3 | previously be shown to be | 8 |
|
| 4 | [adv] be shown to be | 7 |
|
| 5 | recently be shown to be | 5 |
|
