| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] before it [was/were] [verb] | 7 |
|
| 2 | was [vb pp] before it was [verb] | 7 |
|
| 3 | was [vb pp] before it be [verb] | 7 |
|
| 4 | was [vb pp] before it [be] [verb] | 7 |
|
