| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is on at the | 6 |
|
| 2 | is [verb] on at the | 12 |
|
| 3 | is [v-ing] on at the | 10 |
|
| 4 | is going on at the | 9 |
|
| 5 | is go on at the | 9 |
|
| 6 | is on at the [noun] | 5 |
|
