| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be due to | 288 |
|
| 2 | [modal v] be due to | 288 |
|
| 3 | might be [adj] to | 228 |
|
| 4 | might be due [prep] | 30 |
|
| 5 | might be due [prep] | 30 |
|
| 6 | might be due to | 28 |
|
| 7 | might [be] due to | 28 |
|
| 8 | might be due to | 28 |
|
