| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] [adv] | 4080 |
|
| 2 | it had been [vb pp] | 1541 |
|
| 3 | it had [vb pp] [adv] | 626 |
|
| 4 | it had been [adv] | 434 |
|
| 5 | it been [vb pp] [adv] | 21 |
|
