| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be found that | 277 |
|
| 2 | it [was/were] found that | 235 |
|
| 3 | it was found that | 233 |
|
| 4 | it [is] found that | 42 |
|
| 5 | it is found that | 41 |
|
