| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun sg] | 17613 |
|
| 2 | [v-ing] [prep] a [noun sg] | 17611 |
|
| 3 | [v-ing] at [art] [noun sg] | 5264 |
|
| 4 | [verb] at a [noun sg] | 4198 |
|
| 5 | [v-ing] at a [noun] | 958 |
|
| 6 | [v-ing] at a [noun sg] | 911 |
|
