| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to be due | 42 |
|
| 2 | [vb pp] to [be] due | 42 |
|
| 3 | [vb pp] to be due | 42 |
|
| 4 | thought to [be] due | 11 |
|
| 5 | believed to [be] due | 8 |
|
