| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] have been due [prep] | 13 |
|
| 2 | [det] [modal v] have been due [prep] | 13 |
|
| 3 | [det] [modal v] have been due to | 12 |
|
| 4 | [det] [modal v] have been due to | 12 |
|
