| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [verb] [prep] | 2478 |
|
| 2 | had previously been [verb] [prep] | 92 |
|
| 3 | [noun pl] had previously been [verb] | 16 |
|
| 4 | [noun pl] had previously [verb] [prep] | 7 |
|
