| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [noun] | 142 |
|
| 2 | it had been [noun prp] | 78 |
|
| 3 | it had been [noun sg] | 44 |
|
| 4 | it had been [noun pl] | 17 |
|
| 5 | it had been year | 6 |
|
| 6 | it had been years | 6 |
|
