| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [verb] [prep] | 1315 |
|
| 2 | had been [verb] [prep] [det] | 727 |
|
| 3 | which had [verb] [prep] [det] | 26 |
|
| 4 | which had been [verb] [det] | 14 |
|
