| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been due to [adj] | 7 |
|
| 2 | [modal v] have been due to [adj] | 7 |
|
| 3 | [noun] have been due to [adj] | 7 |
|
| 4 | [noun sg] have been due to [adj] | 5 |
|
| 5 | may have been due to [adj] | 5 |
|
| 6 | may have been due to [adj] | 5 |
|
| 7 | have been [verb] due to [adj] | 9 |
|
| 8 | have been [vb pp] due to [adj] | 9 |
|
| 9 | have been due to [art] [adj] | 5 |
|
| 10 | have been due to [art] [adj] | 5 |
|
| 11 | have been due to [adj] [noun] | 18 |
|
| 12 | have been due to [adj] [noun sg] | 14 |
|
