| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] before it be [verb] | 8 |
|
| 2 | [was/were] [vb pp] before it [be] [verb] | 8 |
|
| 3 | [was/were] [vb pp] before it was [verb] | 8 |
|
| 4 | [was/were] [vb pp] before it [was/were] [verb] | 8 |
|
