| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] at [art] [noun sg] | 602 |
|
| 2 | [prep] [v-ing] in [art] [noun sg] | 45 |
|
| 3 | [v-ing] in at [art] [noun sg] | 37 |
|
| 4 | [prep] [v-ing] in at [art] | 8 |
|
