| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been [verb] by a | 70 |
|
| 2 | [verb] been cause by a | 42 |
|
| 3 | have been cause by a | 42 |
|
| 4 | to have been cause by [art] | 18 |
|
| 5 | to have been cause [prep] a | 13 |
|
| 6 | to have been cause [prep] a | 13 |
|
| 7 | to have [be] cause by a | 12 |
|
| 8 | to have been cause by a | 12 |
|
| 9 | to have [been] cause by a | 12 |
|
| 10 | to have be cause by a | 12 |
|
| 11 | [to-vb] been cause by a | 12 |
|
