| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at [noun] | 7200 |
|
| 2 | [noun] occur [prep] [noun] | 630 |
|
| 3 | [noun] occur [prep] [noun] | 630 |
|
| 4 | [noun] occur at [noun] | 73 |
|
