| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been found to | 6 |
|
| 2 | it [verb] be found to | 6 |
|
| 3 | it have [be] found to | 6 |
|
| 4 | it [verb] [been] found to | 6 |
|
