| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [verb] [prep] | 2478 |
|
| 2 | had been [verb] [prep] a | 1700 |
|
| 3 | [noun pl] had [verb] [prep] a | 214 |
|
| 4 | [noun pl] had been [verb] a | 37 |
|
| 5 | [noun pl] had been [prep] a | 17 |
|
| 6 | [noun pl] been [verb] [prep] a | 7 |
|
