| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [vb pp] [prep] [det] | 30 |
|
| 2 | it had been [vb pp] [prep] some | 8 |
|
| 3 | it had been [vb pp] by [det] | 7 |
|
| 4 | it had been [vb pp] for [det] | 6 |
|
