| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [adj] [noun] | 3109 |
|
| 2 | [v-ing] at a [adj] [noun] | 562 |
|
| 3 | occur at a [adj] [noun] | 44 |
|
| 4 | occurring [prep] a [adj] [noun] | 34 |
|
| 5 | occurring [prep] a [adj] [noun] | 34 |
|
| 6 | occurring at [art] [adj] [noun] | 15 |
|
| 7 | occurring at a [adj] [noun] | 9 |
|
