| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been cause by [art] [noun] | 11 |
|
| 2 | to have been cause by [art] [noun] | 11 |
|
| 3 | to have been cause by a [noun] | 8 |
|
| 4 | to have been cause by a [noun] | 7 |
|
