| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] room which had been | 6 |
|
| 2 | [art] room which had been | 6 |
|
| 3 | room which had been [verb] | 7 |
|
| 4 | room which had been [vb pp] | 6 |
|
