| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] be caused by [adj] | 24 |
|
| 2 | [noun sg] [vb mod] be caused [prep] [adj] | 14 |
|
| 3 | [noun] may be caused [prep] [adj] | 13 |
|
| 4 | [noun pl] [vb mod] be caused [prep] [adj] | 10 |
|
| 5 | [noun] can be caused [prep] [adj] | 8 |
|
