| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been due to [adj] [noun] | 7 |
|
| 2 | have been due [prep] [adj] [noun] | 7 |
|
| 3 | have been due [prep] [adj] [noun] | 7 |
|
| 4 | have been due to [adj] [noun] | 7 |
|
| 5 | have been due [prep] [adj] [noun sg] | 6 |
|
| 6 | have been due [prep] [adj] [noun] | 6 |
|
