| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | going on at the [noun sg] | 42 |
|
| 2 | [v-ing] on at the moment | 26 |
|
| 3 | [v-ing] on at the time | 11 |
|
| 4 | working on at the [noun sg] | 10 |
|
