| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which had been | 1475 |
|
| 2 | room [pron] had been | 17 |
|
| 3 | room which [verb] been | 14 |
|
| 4 | room which have been | 14 |
|
| 5 | room which [vb past] been | 11 |
|
| 6 | room which had [been] | 11 |
|
| 7 | room which had be | 11 |
|
| 8 | room which had [be] | 11 |
|
