| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be found that [adj] [noun pl] | 13 |
|
| 2 | it [be] found that [adj] [noun pl] | 13 |
|
| 3 | it [was/were] found that [adj] [noun pl] | 11 |
|
| 4 | it was found that [adj] [noun pl] | 11 |
|
