| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] it [prep] | 5783 |
|
| 2 | at it [prep] | 492 |
|
| 3 | [v-ing] at it | 480 |
|
| 4 | [v-ing] at [prep] | 114 |
|
