| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun sg] [vb mod] be due to | 15 |
|
| 2 | this [noun sg] [vb mod] be due [prep] | 10 |
|
| 3 | [det] [noun sg] may be due [prep] | 9 |
|
