| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [art] | 74562 |
|
| 2 | [v-ing] at [art] | 8757 |
|
| 3 | [prep] [v-ing] at | 2878 |
|
| 4 | [prep] at [art] | 487 |
|
