| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [to-vb] | 1944 |
|
| 2 | had been [verb] for | 1516 |
|
| 3 | been [verb] [to-vb] for | 171 |
|
| 4 | had [verb] [to-vb] for | 118 |
|
| 5 | had been [to-vb] for | 5 |
|
