| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been cause by a | 11 |
|
| 2 | [noun sg] have been cause by a | 11 |
|
| 3 | [vb mod] have been cause by a | 9 |
|
| 4 | [modal v] have been cause by a | 9 |
|
| 5 | [verb] have been cause by a | 7 |
|
| 6 | [vb pp] have been cause by a | 6 |
|
| 7 | may have been cause by a | 5 |
|
| 8 | may have been cause by a | 5 |
|
| 9 | have been cause by a [noun] | 27 |
|
| 10 | have been cause by a [noun sg] | 26 |
|
| 11 | have been cause by a [adj] | 6 |
|
| 12 | have been cause by a [adj] | 6 |
|
