| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] had been [verb] [prep] | 879 |
|
| 2 | had previously been [verb] [prep] | 92 |
|
| 3 | [conj] had previously been [verb] | 36 |
|
| 4 | [conj] had previously [verb] [prep] | 8 |
|
