| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] due to | 288 |
|
| 2 | [det] [be] due to | 265 |
|
| 3 | [det] [modal v] [be] due | 72 |
|
| 4 | [det] [modal v] [be] to | 26 |
|
