| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been [prep] | 289 |
|
| 2 | been due [prep] | 113 |
|
| 3 | [to-vb] due [prep] | 48 |
|
| 4 | [to-vb] been due | 8 |
|
