| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | cause by a [adj] [noun] | 94 |
|
| 2 | [been] cause by a [noun] | 27 |
|
| 3 | [been] cause by [adj] [noun] | 23 |
|
| 4 | [been] cause by a [adj] | 6 |
|
