| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [verb] due | 9 |
|
| 2 | had been [verb] due to | 14 |
|
| 3 | had been [verb] due [prep] | 14 |
|
| 4 | had been [verb] due [prep] | 14 |
|
| 5 | had been [verb] due to | 14 |
|
