| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [be] discovered that | 25 |
|
| 2 | when it be discover that | 25 |
|
| 3 | when it [be] discover that | 25 |
|
| 4 | when it [be] discover that | 25 |
|
| 5 | when it [was/were] discover that | 22 |
|
| 6 | when it was discover that | 22 |
|
