| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adv] [verb] | 2253 |
|
| 2 | which had been [verb] | 2021 |
|
| 3 | which had [adv] [verb] | 670 |
|
| 4 | which had been [adv] | 242 |
|
