| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [noun] | 12890 |
|
| 2 | [pron] cause [noun] | 426 |
|
| 3 | [Wh det] cause [noun] | 256 |
|
| 4 | which cause [noun] | 212 |
|
