| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] [prep] [det] | 600 |
|
| 2 | [that] had been [vb pp] [prep] | 461 |
|
| 3 | [that] had [vb pp] [prep] [det] | 26 |
|
| 4 | [that] had been [vb pp] [det] | 5 |
|
