| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [vb pp] | 5019 |
|
| 2 | [noun pl] had [vb pp] [det] | 332 |
|
| 3 | had been [vb pp] [det] | 167 |
|
| 4 | [noun pl] had been [det] | 12 |
|
