| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [det] [noun] | 212 |
|
| 2 | which had [verb] [det] [noun] | 52 |
|
| 3 | which had been [verb] [noun] | 17 |
|
| 4 | which had been [verb] [det] | 14 |
|
