| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been cause [prep] [noun sg] | 5 |
|
| 2 | [to-vb] been cause by [noun sg] | 5 |
|
| 3 | [to-vb] been cause by [noun sg] | 5 |
|
| 4 | to have been cause [prep] [noun sg] | 5 |
|
| 5 | [to-vb] been caused [prep] [noun sg] | 5 |
|
