| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] [vb pp] at this stage | 8 |
|
| 2 | [noun] was [vb pp] at [det] stage | 8 |
|
| 3 | [noun sg] [was/were] [vb pp] at [det] stage | 6 |
|
