| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] be cause | 38 |
|
| 2 | [to-vb] [be] caused | 37 |
|
| 3 | [to-vb] been cause | 36 |
|
| 4 | to have [be] cause | 36 |
|
| 5 | [to-vb] [been] cause | 36 |
|
