| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] [prep] | 18628 |
|
| 2 | at [adv] [prep] | 3518 |
|
| 3 | at [v-ing] [prep] | 300 |
|
| 4 | at [adv] [v-ing] | 204 |
|
