| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] on at [art] | 56 |
|
| 2 | [be] [v-ing] on at the | 51 |
|
| 3 | [be] going on at [art] | 40 |
|
| 4 | [is] [v-ing] on at [art] | 26 |
|
| 5 | [was/were] [v-ing] on at [art] | 15 |
|
| 6 | 's [v-ing] on at [art] | 15 |
|
| 7 | is [v-ing] on at [art] | 11 |
|
| 8 | was [v-ing] on at [art] | 11 |
|
| 9 | [be] working on at [art] | 10 |
|
| 10 | [am/are] [v-ing] on at [art] | 10 |
|
| 11 | 're [v-ing] on at [art] | 8 |
|
