| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [verb] | 206569 |
|
| 2 | [prep] [noun] [vb past] | 40692 |
|
| 3 | [prep] [noun] happen | 166 |
|
| 4 | [prep] [noun] happened | 49 |
|
