| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [art] | 8757 |
|
| 2 | or [v-ing] [art] | 1602 |
|
| 3 | or at [art] | 493 |
|
| 4 | or [v-ing] at | 85 |
|
