| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] on at the [noun sg] | 62 |
|
| 2 | going on at the [noun] | 44 |
|
| 3 | [v-ing] on at the moment | 27 |
|
| 4 | [v-ing] on at the moment | 26 |
|
| 5 | working on at the [noun] | 11 |
|
| 6 | [v-ing] on at the time | 11 |
|
| 7 | [v-ing] on at the time | 11 |
|
