| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] at [art] | 1028 |
|
| 2 | [prep] [v-ing] [art] first | 278 |
|
| 3 | [v-ing] at [art] first | 28 |
|
| 4 | [prep] [v-ing] at first | 5 |
|
