| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has be caused [prep] | 36 |
|
| 2 | [noun sg] be caused [prep] [noun pl] | 28 |
|
| 3 | [noun sg] has be [prep] [noun pl] | 25 |
|
| 4 | has be caused [prep] [noun pl] | 6 |
|
