| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] at [art] [num] | 10 |
|
| 2 | [prep] [v-ing] at [art] [num] | 9 |
|
| 3 | [prep] [verb] at the [num] | 9 |
|
| 4 | [prep] [verb] at [art] two | 5 |
|
