| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been cause [prep] [art] [noun] | 12 |
|
| 2 | to have been cause [prep] [art] [noun] | 12 |
|
| 3 | to have been cause [prep] a [noun] | 9 |
|
| 4 | to have been cause [prep] a [noun] | 8 |
|
