| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] on at the [noun sg] | 18 |
|
| 2 | [is] going on at the [noun sg] | 16 |
|
| 3 | 's [v-ing] on at the [noun sg] | 12 |
|
| 4 | [is] [v-ing] on at the moment | 10 |
|
| 5 | is [v-ing] on at the [noun sg] | 6 |
|
