| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that this be due to | 16 |
|
| 2 | that this was due to | 10 |
|
| 3 | that this [was/were] due to | 10 |
|
| 4 | that this [is] due to | 6 |
|
| 5 | that this is due to | 6 |
|
