| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [indef pn] at the | 82 |
|
| 2 | [v-ing] [prep] at the | 23 |
|
| 3 | [v-ing] [prep] [indef pn] at | 22 |
|
| 4 | [v-ing] [indef pn] at the | 17 |
|
