| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] happens [prep] [noun] | 186 |
|
| 2 | [Wh det] [prep] that [noun] | 115 |
|
| 3 | [Wh det] happens [prep] that | 23 |
|
| 4 | happens [prep] that [noun] | 11 |
|
