| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] at [art] | 1028 |
|
| 2 | begin [prep] [v-ing] [art] | 190 |
|
| 3 | begin [v-ing] at [art] | 35 |
|
| 4 | begin [prep] [v-ing] at | 27 |
|
