| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which were [verb] at [art] | 40 |
|
| 2 | which were [verb] at [art] | 40 |
|
| 3 | which were [vb pp] at [art] | 38 |
|
| 4 | which were [verb] at the | 29 |
|
| 5 | which were [verb] at a | 8 |
|
