| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [verb] | 1683 |
|
| 2 | had been [verb] [adj] | 1388 |
|
| 3 | it had [verb] [adj] | 517 |
|
| 4 | it had been [adj] | 487 |
|
