| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [being] [vb pp] at [art] | 36 |
|
| 2 | were [vb pp] at [art] [det] | 36 |
|
| 3 | [being] [vb pp] at [art] [det] | 20 |
|
| 4 | were [being] [vb pp] at [det] | 5 |
|
