| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [art] | 8757 |
|
| 2 | whilst [v-ing] [art] | 249 |
|
| 3 | whilst at [art] | 78 |
|
| 4 | whilst [v-ing] at | 18 |
|
