| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] in a | 8834 |
|
| 2 | [be] [vb pp] in a | 8834 |
|
| 3 | were [vb pp] [prep] a | 4385 |
|
| 4 | were [vb pp] in [art] | 3242 |
|
| 5 | [was/were] [vb pp] in a | 2657 |
|
| 6 | were [verb] in a | 1021 |
|
