| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] at [art] | 1028 |
|
| 2 | [prep] articles [v-ing] [art] | 7 |
|
| 3 | articles [v-ing] at [art] | 6 |
|
| 4 | [prep] articles [v-ing] at | 5 |
|
