| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been cause [prep] the | 61 |
|
| 2 | have been caused [prep] the | 61 |
|
| 3 | have been cause [prep] the | 61 |
|
| 4 | have been cause by the | 56 |
|
| 5 | have been cause by the | 56 |
|
| 6 | has been cause [prep] the | 17 |
|
| 7 | have been cause [prep] the | 17 |
|
| 8 | had been cause [prep] the | 17 |
|
| 9 | to have been cause [prep] the | 6 |
|
