| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [verb] | 2233 |
|
| 2 | had been [verb] to | 2093 |
|
| 3 | had [verb] [verb] to | 344 |
|
| 4 | been [verb] [verb] to | 257 |
|
