| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [art] | 8757 |
|
| 2 | [v-ing] at [art] | 8757 |
|
| 3 | [v-ing] [prep] an | 4148 |
|
| 4 | [v-ing] [prep] an | 4147 |
|
| 5 | [v-ing] at a | 1677 |
|
| 6 | [verb] at an | 1157 |
|
| 7 | [v-ing] at an | 205 |
|
