| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] is [prep] [noun] | 238 |
|
| 2 | happen [be] [prep] [noun] | 9 |
|
| 3 | happen be [prep] [noun] | 9 |
|
| 4 | happen [is] [prep] [noun] | 7 |
|
| 5 | happen is [prep] [noun] | 7 |
|
