| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] be due to [adj] | 20 |
|
| 2 | [noun pl] [vb mod] be due [prep] [adj] | 13 |
|
| 3 | [noun] may be due [prep] [adj] | 9 |
|
| 4 | [noun sg] [vb mod] be due [prep] [adj] | 8 |
|
