| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once it be [verb] that [noun] | 10 |
|
| 2 | once it [be] [vb pp] that [noun] | 10 |
|
| 3 | once it [be] [verb] that [noun] | 10 |
|
| 4 | once it [be] [verb] that [noun pl] | 6 |
|
| 5 | once it was [verb] that [noun] | 6 |
|
| 6 | once it [was/were] [verb] that [noun] | 6 |
|
