| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] may have been due to | 10 |
|
| 2 | this may have been due to | 9 |
|
| 3 | [det] may have been due to | 9 |
|
| 4 | this may have been due to | 9 |
|
| 5 | [adj] may have been due to | 9 |
|
| 6 | [noun sg] may have been due to | 6 |
|
| 7 | may have been due to [art] | 14 |
|
| 8 | may have been due to [art] | 14 |
|
| 9 | may have been due to the | 9 |
|
| 10 | may have been due to the | 9 |
|
| 11 | may have been due to a | 5 |
|
| 12 | may have been due to [adj] | 5 |
|
