| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] were [vb pp] [prep] a | 7 |
|
| 2 | [be] [verb] were [vb pp] [prep] a | 7 |
|
| 3 | [be] [vb pp] were [vb pp] [prep] a | 7 |
|
