| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] on in [noun sg] | 24 |
|
| 2 | be going on in [noun sg] | 18 |
|
| 3 | is [v-ing] on in [noun sg] | 12 |
|
| 4 | 's [v-ing] on in [noun sg] | 6 |
|
