| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be due to a [adj] | 21 |
|
| 2 | [vb mod] be due to a [adj] | 21 |
|
| 3 | may be due to a [adj] | 10 |
|
| 4 | may be due to a [adj] | 10 |
|
| 5 | can be due to a [adj] | 6 |
|
| 6 | can be due to a [adj] | 6 |
|
| 7 | be due to a [adj] [noun] | 21 |
|
| 8 | be due to a [adj] [noun sg] | 20 |
|
