| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] to [be] due to | 10 |
|
| 2 | was [vb pp] to [be] due [prep] | 10 |
|
| 3 | was [vb pp] to be due [prep] | 10 |
|
| 4 | was [vb pp] to be due [prep] | 10 |
|
