| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be due | 98 |
|
| 2 | [vb past] [be] due | 98 |
|
| 3 | [vb past] [been] due | 78 |
|
| 4 | [vb past] been due | 78 |
|
| 5 | had [be] due | 78 |
|
| 6 | [vb past] [was/were] due | 20 |
|
| 7 | [vb past] was due | 18 |
|
