| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [det] | 1424 |
|
| 2 | [det] at [det] | 554 |
|
| 3 | [det] [v-ing] [det] | 193 |
|
| 4 | [det] [v-ing] at | 189 |
|
